Rib Wank 

A failed attempt at a tit wank when the girls breasts are too small for proper wanking of the penis.

I was so pissed off that I couldn't get a proper tit wank off that girl. She had such under developed tits..She tried but it was a blatant Rib wank....I left feeling unfulfilled

Rib Wank by Girthy_Z November 8, 2010

rib wank 

a tit wank when a girl has no/small titties

hank'' i got a rib wank offa kerry last night''

rib wank by mr snipples May 8, 2008