A time of music, or jam session, in which friends get together and play instruments, sing, play for money etc.
Cool Guy #1: Dude, we should totally Kapowska tomorrow.
Cool Guy #2: Yeah man, I'll bring the guitars and bagpipes.
Cool Guy #2: Yeah man, I'll bring the guitars and bagpipes.
by TheSnuffkin November 9, 2012
Get the Kapowskamug.