When a man wraps the skin of his balls around her chin while she performs fellatio.
I tried to make her swallow the whole thing by chinstrapping her.
Chinstrapping is sure to start the gag reflex.
The act of placing your testicles on the chin of your partner, whether during fellatio, receiving a rimjob, or as a simple prank.
Can also be used in the past tense as: Chinstrapped.
1. Jill got chinstrapped at the party last night.
2. I heard Jack likes chinstrapping Gina while she licks his b-hole.