A person who is uncontrollably drunk and can not control them self and is acting crazy.
Did you see Lauren last night? She was banchie.
by hditty October 03, 2013
1 more definition
A Banchie is a crazy, spontaneous, loud, hyperactive person, who is generally an out going socialist.
she's the Banchie of the night
by banchie July 05, 2010