OL

big ol'

Exceptionally or impressively large, either in physical size or in magnitude, where "ol'," an elision of the word "old," is an intensifier and not indicative of age. Primarily heard in US, South Africa. Grab hold of that big ol' bag of cement and throw it into the back of my truck. Well, that's just a big ol' lie and you know it!
See also: big

good old boy

1. In the Southern US, a white man considered to have the qualities associated with traditional conservative Southern masculine culture, including an easygoing demeanor and a generally conservative worldview. The term is applied either positively or negatively, depending on how one views such a culture. Jefferson is a good old boy—you can trust him to uphold our values. Great, just what we need—another good old boy elected to office.
2. A male who is part of a very loyal social group. Of course he only hires his friends—he's a good old boy. What do you expect? Just know that if you marry a good old boy, you're marrying his friends, too.
3. A nice, pleasant male. He's a good old boy, sure, but there's just no chemistry between us.
See also: boy, good, old

the same old rigmarole

The same process, situation, routine, etc., repeated to a tedious, irritating, or exhausting degree. Every time we come up with a new proposal, we have to deal with the same old rigmarole with upper management to get it approved. I hate having to go through the same old rigmarole of setting up a new account every time I want to buy something from an online store.
See also: old, rigmarole, same

same ol' same ol'

The same thing that is always done or that always happens. It often implies that such a thing is boring or monotonous. The phrase is duplicated for emphasis, with ol' being a colloquial shortening of "old." We always sit around and do the same ol' same ol'. Let's go out this week and try something new! A: "What are you doing this summer?" B: "Same ol' same ol'—loading up the car and heading to the beach house."
See also: same

the old switcheroo

slang A surprising, unexpected, or deceptive swap, change, variation, or reversal. "Old" is sometimes stylized as "ol'." The politician had been campaigning for months against the legislation, only to pull the old switcheroo and start putting her support behind it at the last minute. Wait a minute, you're Lisa, not Linda! Ah, you've pulled the ol' switcheroo on Grandpa.
See also: old, switcheroo
Farlex Dictionary of Idioms.

good old boy

 and good ole boy
Rur. a good guy; a dependable companion. Old Tom is a good old boy. He'll help. One of these good ole boys will give you a hand.
See also: boy, good, old
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

good old boy

and good ole boy
n. a good guy; a dependable companion. (Folksy.) Old Tom is a good old boy. He’ll help.
See also: boy, good, old

same o(l)’ same o(l)’

and SOSO (ˈsemo(l) ˈsemo(l))
n. the same old thing. I’m getting tired of the same ol’ same ol’.
See also: same

same ol’ same ol’

verb
See same ol’ same ol’
See also: same
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • big ol'
  • big old
  • big ole
  • olé
  • in thunderation?
  • in creation
  • in creation?
  • the devil
  • What in the devil?
  • What the devil?