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u do the big O today? u're all funny

many chinx were doin the big O back in the 19th century.
by big O November 26, 2003
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16
The awesomest man to walk the earth(Oliver), this term has become his title, and legend, after bringing pleasure to many women.
Who fucked her? Big O nailed that biatch!
by AllofHer March 19, 2004
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17
1. An intense Orgasm let off by a female that squirts more than a foot away.
2. A Nice Oz of weed
3. The face she makes when she's riding a big black dick.
1. I got Jen to do the big o when i was eating her out last night, she almost shot me in the eye.

2. Hook me up with a Big o, i got a vaca from work- gonna smoke my brains out.

3. She must've liked it cuz she had a big o on her face the way she was moanin and screamin.
by Speciial Kay April 22, 2009
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18
I had a awesome orgasm last night when I was banging that chick, she had tits the size of melons.
by henry hendosome April 18, 2004
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20
An Oscar (fish) with a rotting or decaying face. The face usually looks like it has holes in it. The fish often trys to ram his head into the glass of a fish tank in an attempt to glomp in your dufflebag.
"Did you see the Big-O last night? I nearly gaggled myself."
by Jennifer May 13, 2004
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