1 definition by Poopybum

Top Definition
A socially awkward, outcast loser. A "Dunk" was a complete loser growing up and has tried to make a transition into "the cool group." A dunk might say a line like "Wow me and Hudson got sooo wasted last night!"-- really everyone knows they had three beers.
"Kian is a dunk"
"Nice boner you DUNK!"
by Poopybum February 25, 2008

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