tub ledging 

rubbing against the edge of a bathtub as a form of masturbation

Person 1: Dude, my friend Spencer told me he rubs himself on a tub to get off!

Person 2: I think that's called tub ledging

tub ledging by Anonymous12385838228384872 July 10, 2016

tub ledging 

The act of rubbing oneself on the side of a tub to get off, a form of masturbation

Person 1: dude what the hell is tub ledging?
Person 2: oh that's a way of jerking off. My friend Spencer does it all the time.

tub ledging by Anonymous12385838228384872 July 8, 2016

Tubledging 

The act of thrusting your erect penis onto the ledge of a bathtub. It is a form of masturbation

Yo that kid spencer was Tubledging so hard his dick almost fell off

Tubledging by Bigdddaddy69@bbc May 17, 2016