the act of shitting while recieving fellacio

The seam-like ridge of skin that appears on the scrotum of male animals.

A twist and flick of the balls while receiving a blowjob, thus making the person grumpy.

It's actually where you get a girl to swallow a load of semen, then you punch her really hard in the stomach and she throws up on ur dick.

After Intercourse seamen is placed on the females face, and then pubes are placed on top.
The grumpkin is the face your partner makes after the following.

A girl shits on your dick, then sucks it off.

A sex session in which one sits on a toilet taking a shit while another person gives the shitter a blow job