Top Definition
A sub-form of haiku, which similarly follows a strict 5-7-5 syllable count. Unlike haiku, fratku do not have to be about nature or impermanence. They are typically humorous, or at least attempt to be. Common themes include drinking, drug use, sex, and making fun of others. Fratku can be found on the bathroom walls of certain fraternity houses and on the discussion boards of social networking sites.
Sample fratku:

Double Entendres:
A lone comma changes all
Come on her, pussy!

Old E I love thee-
your taste is smooth and golden
and you're cheap as shit.
by Dusty Cioffi May 01, 2008

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