Top Definition
Noun-Someone who is annoying and does it on purpose.
Verb- Buttponcholike. The act of being a buttponcho.
Boy- Jeez why can't I sleep with your sister? She is hotter than you. It is okay you can still cook me dinner after.

Girl- OMFG you are such a buttponcho!
by Kendahl June 09, 2010

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