To perform oral sex.
Driving down the Highway 401, the truckers could see that she was giving me some fine gamahuche.
by Jackal October 17, 2004
v. to perform cunnilingus.
sodwit 1: Oh ..wommannnn..i need it so bad. Let me gamahuche down there, hawtthang?..
by hytham_hammer July 06, 2005