Top Definition
The moment when all of the alcohol you drank hits you in the face.

When you fail at something more than another expression can describe.
"Yo bro, I just got SLAM DUNKED by these shots."

"Fuck, I'm going to get slam dunked on my exam tomorrow"
by SlamDunker51 March 05, 2014

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When some fat whale gets man juice all over their face while asleep.
Ryan : Hey, Sam. Why are you always coming to work with something on your face? You were drinking that milk shake again weren't you?

(Tired) Sam : Hey boss. No, I wasn't eating at work again, gosh! I guess my boyfriend slam dunk'ed on me when I fell asleep and I forgot to wash my face. Hey, is it lunch time yet?
by 4tehlulz August 23, 2008

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vigorous sex
john seriously slam dunked that person
by michael foolsley November 24, 2009

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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When a lady anus is railroaded by a penis during hard sex.
"LISA IS WALKING FUNNY TODAY, DID SHE HURT HERSELF?"

"NO, ROGER SLAM DUNKED HER IN THE ASS LAST NIGHT."
by Akaeuvasha July 04, 2016

The Urban Dictionary Mug

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Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt