A replacement noun for any of the various food products ending with "O's" that contain a large amount of unhealthy qualities, or any other spherical foodstuffs such as donuts, cookies, etc.
"Hey mother, what are you making for dinner tonight?"
"Well, I was considering conjuring up some onion rings as an appetizer, some spaghetti o's for the main course, and some donuts and Oreo's for dessert."
"Yeah right, why don't we throw in some Cholester O's while we're at it."
"That's a great idea!"
"Well, I was considering conjuring up some onion rings as an appetizer, some spaghetti o's for the main course, and some donuts and Oreo's for dessert."
"Yeah right, why don't we throw in some Cholester O's while we're at it."
"That's a great idea!"
by Loch Raven November 28, 2009
Get the Cholester O'smug. 
You're driving and think that you're going the wrong way so you do a u-turn, as you are doing the u-turn, you realize that you were actually going the correct way in the first place and so you do another u-turn, hence you have done an o-turn.
by bagpussinboots February 13, 2012
Get the O-Turnmug. by thomas the train engine November 11, 2006
Get the Right-Omug. Dude 1: Wow, the internet is full of porn!
Dude 2: O RLY?
Dude 1: have you ever known that there were 999 cases of heart attack in a time of 9999999999 seconds in the North Africa?
Dude 2:O RLY?
Dude 2: O RLY?
Dude 1: have you ever known that there were 999 cases of heart attack in a time of 9999999999 seconds in the North Africa?
Dude 2:O RLY?
by bactac May 22, 2006
Get the O RLY?mug. G-money-"I just got my issue today mayne"
Killerfred-"how much you got nigga?"
G-money-"just a half-o, lets get crackin"
Killerfred-"how much you got nigga?"
G-money-"just a half-o, lets get crackin"
by Shweetbox August 4, 2005
Get the half-omug.