Trevo is what you call "tri-lationship". An equal three person intimate committed relationship where everybody has sex together as a group or in pairs. Trevo means clover in Portuguese as in a Shamrock. It also means all participants "get lucky".
The Trevo went to the movies.
by Water Dawg March 21, 2017
Trevo is really running shit.
by everyone in the hood September 20, 2017