when you chisel into your elbow, creating a large hole. also used to insult someone who has done this to themself. it has no meaning.
1: I'm giving myself an elbow cavity, leave me alone.
2: Geoff is such and elbow cavity, i wish he would shut up
2: Geoff is such and elbow cavity, i wish he would shut up
by Chad Monke April 03, 2022