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1.
Translates to "bunch", bonche is when a group of friends go out to an event, or party.
Vamos al bonche
by Amo0 January 26, 2011
 
2.
1. Wild partying. 2. Wild party. 3. Underground party, concert or event where a DJ is usually present.
Person 1: Did you go to the party last night?
Person 2: Man! that was bonche, people all over got drunk, naked and jumped in the pool.
by Socrates Maura May 20, 2007