the maximum occupancy of a raft. also associated with a movement where you simultaneously stick out an arm and the leg on the same side.
*blow whistle* you! people on the raft!!theres 38 people out there! half of one of you has to get off!! 37.5!
by sally george August 24, 2008
an ejaculation into a mouth or mouths
hey baby, do you want a 37.5 degree shot?

My boyfriend gave me a 37.5 degree shot last night!
by Robbo CHCH January 6, 2007