(Verb) Combination of sperm and pissing. When you are busting a crazy nut and the sperm escapes your penis as fast as piss during urination.
by Ryan Toal#ROLLTINT#SPISSMASTER June 03, 2016
by Rendell's Bitch February 17, 2007
speed pissing. the mad rush to the bathroom when you show up on time for a movie but you know you have to pee before it starts.
"oh shit Samantha, Fright Night started two minutes ago i know it's still in previews but we better get some serious spissing done if we don't want to miss the beginning"
by MayorWombat September 13, 2011