Top Definition
when a person is extremely thirsty or jetty, feeling as though they need sexual attention from anybody or anything, for that matter....
someone who goes super hard.
Adam is a thirstball he just tried to finger her on the dance floor.
by dawordspecialist June 24, 2007
A person who can't be single for over 3 days
Maya is such a thirstball she always has a boyfriend
by CakeyConceitedForeign December 02, 2014

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