fetal ball
when a humans legs are taken and put behind the head and sat on mostly used in sparing and the occasional wrestling match.
Rob put chris in a fetal ball because he was being gay
Fetal Shit Ball Syndrome
Known to the world as FSBS is when taking a poop your nuts start hurting like crazy.
"Man i just dropped the kids off at the pool and my balls hurt. I think i have Fetal Shit Ball Syndrome!