when quite drunk in the back of a car "trancing out" involves raving as hard as possible to house/trance/techno/drum & bass etc. often trance out battles occur to see who is the most drunk/off thier face.
"let's trance out to this tune...annnnnnnnnnnnnnnnd... RAVE!"
by ZeroCouch June 28, 2006
1 more definition
I got tranced out when Koley gave me that Light Show
by TheHose February 03, 2005