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1.
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

Words related to slam dunk'ed

dunk'ed slam slam dunk slamdunked
 
2.
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
 
3.
vigorous sex
john seriously slam dunked that person
by michael foolsley November 24, 2009