O.C.D.

Is an acronym which stands for

Oversized Cock Disorder, and describes an individual who is packing at least 10 inches

I was going to put the hurt on Donna last night until she informed me her last boyfriend had O.C.D. I said what’s the big deal about obsessive compulsive disorder, there are ways to handle it. She responded by saying there is no way to “handle” someone with OCD, then informed me it stands for Oversized Cock Disorder. I asked how big this dong was, and she informed me 12 inches hard. Needless to say, I would have to give it to her 6 times if she wanted 12 from this guy. Ouch!

O.C.D. by Tee Cee Deez April 9, 2020

O.D 

Overdose. When a person takes to much of a drug, or drugs, and thier body can not handle it. Overdosing does not always include death. Overdose to some Prescription drugs may just be severe reactions such as Siezures, Confusion, and Nausea and if not looked after right away; Death.
Drug overdose's are sometimes caused on purpose to commit suicide, or self harm. Many drug overdose's with prescription drugs are cause by misreading of labels written by a pharmacist.
Narcotic Drug overdose can be caused by irresponsible behaviour towards the drug, or the intense addiction of the drug.

Jim Morrison O.D 'd on Heroin that he thought was cocaine at the time. The Doctors tried to revive him by putting him in a bathtub. Morrison died because his body did not react to Heroin the same, but his girlfriend at the time, being a heroin addict could have taken what he had, and be alive.

O.D by Jessica Fahey August 2, 2007

O'Sullivan 

The third most common name in Ireland.

the O'Sullivan family line once ruled county cork, until the notorious potato famine, many of the O'Sullivan family emigrated to Manchester for a better life, although just how many and exactly when is a mystery.
As with any name starting with O followed by an apostrophe, it means 'Brother of' or even 'Slave of' So the original O'Sullivans would most likely have been freed slaves or nameless families who where accepted by the Sullivan family as their own for great deeds or services rendered.

Famous O'Sullivans include Ronnie O'Sullivan (snooker player) and Richard O'Sullivan(1960's actor, Robins nest)

They are generally prolific breeders and have been known to father children out of wedlock, or simply deny the existence of an offspring/sibling for reasons known only to themselves, Also notable is an inherent tolerance for alcohol, probably stemming from Irish roots, most O'Sullivans enjoy Guinness, however, this is not as common any more, most will just drink until their vision is impaired and their legs unable to transport them directly to their destination and yet somehow wake up right as rain.

What is your name?

Mr O'Sullivan.

OH do you know Ronnie?

sigh.

O'Sullivan by bugfannobug August 22, 2012

O.F. 

old fashioned, or commonly known as Old Fuck. This bastard is only 18, but acts like he is 85. He will tell you war stories and have no idea what the fuck he is talking a bout because the only action he has seen is in the great squirrel massacre of Plymouth Rock. When you come to visit him you will be greeted by what at first looks like a old man that has see his far share of shit, but no its a 18 year old in a pair of overalls chewing on a grain stock, rocking in a chair with a 12- gauge shotgun in his lap. Oh, what is that you hear? It's fucking old time country music, and we're not talking about Johnny Cash, we mean some real red neck I fucked my sister type shit. If you are sensitive person don't come around because he is just as ruthless as he is old, or so he likes to think. The last thing is that he can't eat his food warm. He enjoys his nourishment to be between room temperature and -30 degree F.

O.F.: man I remember back with this all used to be farm land
George: Shut the fuck up OF, your baby ass hasn't even hit puberty.

Mom: Eat your food while its hot.
Son: I like it cold
Mom: Wow you are so OF

O.F.: A squirrel, only if i hd my 12 gauge

O.F. by gregangrew September 18, 2014

O.B.A. 

One being of a bad-ass stance. O.B.A. is slang for "Official Bad-Ass." This term can be used to congratulate one for being recognized as an official bad-ass.

Wow, you just ate a whole pineapple, you are totally an O.B.A.

O.B.A. by kill-o-wattz May 14, 2008

O'Douls 

The beer for straight edge people.

I drank O'Douls last night because I wanted to chill with my friends who party without making a ass of myself.

O'Douls by striaghtedgeisnotacrime August 7, 2007

O.G. park 

the act of parking your car reversed at any parking spot or location every chance you can get.

only the best and experienced drivers park their cars reversed. (usually people with nice cars)

Jacob: Isn't that Ian's 350z?
Thomas: Yea, that guy always O.G. parks at verde
Ian:(Overheard their convo) Cause I'm the BOSS!

O.G. park by Namsta March 29, 2008