milk thistle 

The end of the penis where ejaculate appears to drip from after a man finishes is called a milk thistle.

A friend of mine recommended I give Julia a go, as he was quite impressed by the work she did last night on his milk thistle.

milk thistle by whinoleum May 14, 2011

milk thistle 

A seemingly discrete way your friend hides his pot.

Brian knew Danielle was up to something when he saw a bottle of milk thistle in her dad's ass.

milk thistle by Cuz December 14, 2004