umm stiss

when you stroke your penis up and down it makes an umm - stiss sound

he was beating his penis in the bathroom and you could hear an umm stiss sound from the next room

by Anonymous March 31, 2003

umm stiss

What's this?

"Fred drunkenly pulled down the transsexual's skirt, mumbling, 'umm stiss?'"

by Professor Plum July 09, 2003