stiff peter 

a massive erection.

stiff peter is a pussy beater.

stiff peter by yoyobam March 3, 2018

Stiff peter 

To pin an opponent in a wrestling match

Wrestler : i'm next on mat 4 coach

Coach : ok, go out there and give him the " stiff peter " and finish on his back!

Wrestler : ok coach!!!

Stiff peter by XxxnastyJ February 7, 2020