Top Definition
A large male normally what the Americans call a "nerd".They look like something out of bully game and smell particularly bad no one knows. why they have immigrated from Mexico and live in a house of goats and other weird creatures but one thing is clear, we need to crush the rebel scum.
"man what the hell is that smell, it smells like cat vomit marinaded in urine and left for days on end" " its A Jeffro Jack" "uh taking all our jobs"
by MATTICUSBANG! June 26, 2009
5 Words related to jeffro jack

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