Similar to the act of giving someone a cup of soup (farting in your hand and wafting it in their face), this act involves sharting into your hand, shrugging it off as if nothing happened, and wafting the stench of shit and shame in their face.
I was gonna cup of soup him, but oops I crapped my pants. It became a cup of stew.
A cup-piece is a very similar male garment to a cod piece. Essentially one takes a standard mug with a handle and place their genitals in the mug and loops a belt through the handle, fastening the belt round the waist.
It has been known to drive women crazy.
Chris came into the office wearing nothing but a cup piece.
A handjob where the one giving the handjob simply holds their hand out and the one receiving it does all the work. The hand is held in a loose circle and is stationary, much like a cupholder.
1. I couldn't even get a handy- all she gave me was a cupholder.