Top definition
cool, awesome. see crunk, cool.
"The concert is sure to be jassy."
by SSSEwordsearch May 12, 2004
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2
the new 'tight,' crunk
'He is such a pimp, all the girls think hs the fuckin jassiest'
by crunksta08 May 13, 2004
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3
A guy with a small cock. Gets no girls but is very desperate to have one. Thinks he's cool but is really a weirdo. Thinks he's cute but really is ugly
"Damn bro you look like a jassy."
" WHAT?! well goodbye cruel world."
by Bob donuts March 13, 2017
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