The incredible stamina that is given to you when you attempt beat off in the shower. Due to shower stamina, beating off in the shower takes 3 times longer
"Hey Joe, why were you in the shower so long?"
"Bro beating it in the shower takes foever. Fucking shower stamina!"
"Bro beating it in the shower takes foever. Fucking shower stamina!"
by Americandragonblakelong December 4, 2010