roller

(as) awkward as a cow on roller skates

Very clumsy or uncoordinated. When my toddler was first learning to walk, she was as awkward as a cow on roller skates. He'll never make the basketball team—he's awkward as a cow on roller skates.
See also: awkward, cow, on, roller, skate

high roller

Someone known for spending or gambling large amounts of money. The back room at the casino was reserved exclusively for high rollers willing to play for big stakes. Jack was known as a real high roller, impressing everyone with his expensive cars, flashy jewelry, and nice clothes.
See also: high, roller

pill roller

slang Someone, especially a medical doctor, who is authorized to prescribe medication. Primarily heard in UK, Australia. Being a psychiatrist is about a whole lot more than being a pill roller—medication should be the very last resort when treating a patient. You shouldn't go to some pill roller every time you have a cough. You're body doesn't need all those drugs in it.
See also: pill, roller

roller coaster

A series or period of drastic changes that occur without warning. After she graduated from college, her life became a roller coaster filled with ups and downs as she tried to establish herself as a fashion designer.
See also: coaster, roller

roller coaster ride

A series or period of drastic changes that occur without warning. After she graduated from college, her life became a roller coaster ride filled with ups and downs as she tried to establish herself as a fashion designer.
See also: coaster, ride, roller

steamroller

1. noun Someone or something that holds immense, irresistible, and merciless force or power. Alluding to the unstoppable nature of a literal steamroller. The country's huge military has become a steamroller, wiping out nearly every other country in the region. The team's defensive tackle is an absolute steamroller, pushing offensive linemen aside like they were children.
2. verb To move forward with destructive, crushing force. The tank just steamrollered through the town, smashing everything in its path.
3. To progress with relentless, overpowering force. The unlikely political candidate has steamrollered through the elections, eliminating every opponent that has stood in her way.
4. To cause something to be accepted, passed, adopted, etc., by relentless, overpowering force. The political party is trying to steamroller the legislation through Congress.
Farlex Dictionary of Idioms.

*awkward as a cow on a crutch

 and *awkward as a cow on roller skates
very clumsy or off balance. (*Also: as ~.) When Lulu was overweight, she was awkward as a cow on a crutch. Tom will never be a gymnast. He's as awkward as a cow on roller skates!
See also: awkward, cow, crutch, on

high roller

Fig. a gambler who bets heavily. They welcomed me at the casino because I had the same name as one of their high rollers.
See also: high, roller
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

a roller-coaster ride

If you describe an experience as a roller-coaster ride, you mean that parts of it were very good and parts of it were very bad. Markets on both sides of the Atlantic have had a roller coaster ride over the past five days. The past week was an emotional roller-coaster ride for these people.
See also: ride
Collins COBUILD Idioms Dictionary, 3rd ed.

a roller-coaster ride

an experience in which circumstances change rapidly and in a volatile manner from one extreme to another.
2004 BBC News: Business Shares have been on a rollercoaster ride, with US shares plunging and then recovering twice over.
See also: ride
Farlex Partner Idioms Dictionary

high roller

n. a big gambler who risks much money; anyone who takes risks. (Refers to rolling dice.) Rocko is a high roller and isn’t afraid to lose some money.
See also: high, roller

pill-pusher

and pill-roller and pill-peddler
n. a nickname for a physician. I went to the infirmary, but the pill-pusher wasn’t in. The lousy pill-roller just gave me some aspirin.

pill-roller

verb
See pill-pusher

roller

n. a police car. There are rollers in the next block, driving slow, looking for someone.

steamroller

tv. to force something to be approved; to force something to happen. He plans to steamroller this bill through Congress, but it just won’t work.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • (as) awkward as a cow on roller skates
  • awkward
  • awkward as a cow on a crutch
  • crutch
  • (as) awkward as a cow on a crutch
  • be all thumbs
  • all thumbs
  • all thumbs, to be
  • have two left feet
  • lump
References in periodicals archive
Mackenzie's current home team is the Bellingham Roller Betties in Bellingham, Washington.
Swetnam said a 2017 audit found discrepancies and he repaid insurers more than $5,000, but the confusion was a result of the company's software, for which Roller didn't provide sufficient training.
"It's not surprising that the model we used passed kidney stones on this coaster because it's based on a gentleman that passed three stones on this exact roller coaster."
4 IT'S handy to have a roller with a screw-thread end because this allows you to screw an extension pole into it for painting ceilings and really high walls, although you can get extension poles/rollers in one.
Here are four foam roller routines from Stich that address some key areas for seniors: lower back, IT (iliotibial) band, calves, and posture.
In later years the rink was joined in Birmingham by others including the Embassy Roller Rink in Walford Road, Sparkhill and the Mecca Olympic Roller Rink in Spring Hill, each winning fans in the roller skating world.
Roller derby is a contact sport involving formation roller skating around an oval track and has become increasingly popular in the UK over the past few years.
We also recorded 19 % roller offspring from families in which both parents were non rollers.
Menges Roller, led by company president Matt Menges, was presented the award March 16 at the annual AIMCAL Management Meeting in Phoenix, AZ.
My hair''s naturally straight but I can easily achieve movement with my trusty waving wand and have always given velcro rollers a bit of a wide berth - too fiddly and time-consuming - until I heard about Remington''s Big Style Air Rollers.
Pack the access cap and the guide roller bearing with GAA.
Rubber Disc Return Rollers feature four tapered roller bearings (two in each hub) for unrivaled smooth, true operation and a service life up to three times longer than traditional 2-bearing roller designs.
Capable of lasting up to three times longer than traditional two-bearing designs, a line of Steel Can Return and Trough rollers includes two tapered roller bearings in each hub (four per idler).
McElroy Manufacturing's latest productivity-enhancing tool, the Low Profile Rollers, is a modular pipe roller that accommodates 4- to 20-inch diameter pipe.
Lessons for how you, too, can make the roller grill a lucrative profit center