Top Definition
1: To become wasted by the consumption of alcohol

Devrived as a word used by adolescents as a code word for getting drunk
Someone who is drunk
(teacher over shouolder) "Was Scott Bonshea last night or is he always like that at parties?"
"No, he was definately Bonsheaing."

"Everyone is going to Bonshea New Years Eve, its going to be crazy"
by THenry08 March 06, 2007
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