Fist Hump
As opposed to a fist pump, a fist hump is the act of masturbating ater being defeated in some form of competition.
"Rodney really got his ass handed to him in that match, nothing left but a fist hump for him"
fist humping
An attempt to procreate with ones own fist usually ending up in mass tissue consumption or sock laundry.
Joe: Look at her. She's hot.
Tom: Swell! Now I'm off to my place for a little fist humping.
Tom: Swell! Now I'm off to my place for a little fist humping.