Used in reference to a hockey stick. When a penis is so curved that there is no way it is legal to play with it.
Drunk Otto asked if I knew what an illegal curve was. I said “no Otto what is that” he then pulled out his penis and showed me.
by Dman6969 October 24, 2018

by Thick´d.com May 2, 2022

by moonshineinsea August 6, 2021

by Theteedee June 15, 2021

Mike was caught taking it up the butt at the public park. He was charged with illegal motion in his backfield.
by Poopsie45 January 26, 2025

Thats illegalism 😦
by KilluaGonKurapikaLeorioKinnie February 23, 2023

Sticking your fingers in your partner’s vagina and butthole and rub the wall inbetween making your fingers not able to touch
by Jim H. Piffony January 11, 2024
