Whoa!

Whoa, Nellie!

1. cliché Said to any person, thing, or animal (especially a horse) that one is trying to get under control or coax into slowing down. "Whoa, Nellie!" he shouted as the bucking bronco tossed him to and fro. A: "Whoa, Nellie! Just cool your jets, big guy!" B: "Get off of me! I didn't do anything wrong!"
2. An exclamation of surprise or astonishment, especially when something is more intense than one expected. Whoa, Nellie. Now that is one strong drink you fixed me! A: "Whoa, Nellie. I think I need to sit down for a minute!" B: "A bit of a tougher hike than you were expecting, huh?"
Farlex Dictionary of Idioms.

Whoa!

(wo)
exclam. Stop! (Said to a horse or any person or thing.) You’ve gone about far enough. Whoa!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • a sight to behold
  • be careful what you wish for(, it might (just) come true)
  • strong silent type
  • strong, silent type
  • the strong, silent type
  • Do you know who I am?
  • Don't you know who I am?
  • do not try this at home
  • (Do) (you) come here often?
  • it's all Greek to me
References in classic literature
'Whoa!' means to stop; 'Get-Up!' means to walk forward; 'Trot!' means to go as fast as you can.
The Marvelous Land of Oz
'Whoa, whoa, whoa!' he said to himself as he fell, and he tried to stop his fall but could not, and only stopped when his feet plunged into a thick layer of snow that had drifted to the bottom of the hollow.
Master and Man
His boney legs moved so fast they could scarcely be seen, and the Wizard clung fast to the seat and yelled "Whoa!" at the top of his voice.
Dorothy and the Wizard in Oz
Whoa, there, Lottie; not so fast, Jet, whoa!" His protesting team in control again, he trudged heavily behind.
Dust
Daylight, yelling "Whoa!" struggled with the gee-pole and managed to overturn the sled into the soft snow.
Burning Daylight
a sudden loud WHOA! would have damped their ardor at once, reduced them from venison to beef, and stiffened their sides and sinews like the locomotive.
Walking
Suddenly he yelled "Whoa!" at the dogs, and stopped.
Love of Life And Other Stories
'Whoa! Whoa!' I said peering at him closer, 'Out with it' 'I don't like what I'm doing.' said Santa a tear trickling down his nose.
A sad santa claus..!
The cyclist screams: "Whoa, whoa!" as the cop car ploughs into him, sending him sprawling to the tarmac.
Shocking moment policeman smashes into cyclist while distracted using mobile at wheel - before admitting "My bad"; The cop smashes straight into the cyclist, who was waiting at a stop sign, before telling him: "I was f****** looking at a text from another officer"
"He felt grand during the race but with him I'm always having to say, 'whoa!, whoa!' but then all of a sudden the TURN TO PUNTER 12 'whoa!' was gone.
Kempton Sacre blues for Nicky; From Punter 1
Los Angeles, CA, April 05, 2013 --(PR.com)-- Richter Scale Media is pleased to announce that it has completed principal photography and is in postproduction on the pilot for WHOA!, a new comedy TV series starring Golden Globe Winner/Academy Award Nominee Linda Blair (The Exorcist) Emmy Winner Leslie Jordan (Will & Grace, Boston Legal, Sordid Lives) and Streamy Winner Mark Gantt (The Bannen Way).
Richter Scale Media Announces the Production of WHOA! the Web Comedy Series
Whoa! So to put this law to the test, one Ukranian citizen dressed up in costume to see if even he could get his plot of land.
Barth Vader buys land
Chorus Take me back to dear old Blighty Put me on a train to London Town Take me over there, prop me anywhere Liverpool, Leeds or Birmingham well I don't care I should love to see my best girl Cuddling up again Whoa! Tiddley iddley-ighty hurry home to Blighty Blighty is the place for me.
Tiddley iddley-ighty!
Wafer surge comes, the levees break, Whoa! Look at me, I lost my rake!
Hurricane
They would work their way up your clothing, down your--it was very, like, whoa, whoa, whoa, whoa, whoa!
Piper Perabo