1 definition by Larry O'Fresh

Top Definition
The act of masterbation whilst in the shower.
Shwank, shwanking.
Wanking in the shower
Tom: Hey Lewy, you look really refreshed today!
Lewy: Yeah man, just had a shwank, felt so good.
Will: Wtf is a shwank bro?
Lewy: When you have a wank in the shower!
Will: Mad!
by Larry O'Fresh May 08, 2011
Mug icon
Buy a shwank mug!