1 definition by KillerRussian

Top Definition
For when someone gets something, of any sort, Exactly Fucking Right
Used as a sign of appreciation when the dumb-fuck friend could not get an answer right and you were beginning to grow exceedingly impatient
PERSON 1: (finally answers a question right)
PERSON 2: Exactafuckinmundo!
by KillerRussian March 21, 2013
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