A crevice in the body. (or valley if you will)

The Cresent Shaped Thumb, fore-finger and middle finger motion used in bedroom foreplay.

N) Ruler of gay butt sex
V) To become an enzyme
Adj) illegal

Ben Stuart Shardlow Brannan

The point where the shaft of the male penis meets the testicals for the first time.

Someone who lacks a chin. Their chin is either non-existent and their mouth leads straight to their neck or there is a slight dent with evidence of a shrunken or growing chin.

Used in biology and engineering to describe a divide, it is also a vernacular expression describing lady parts. See wedge and flange, among other carpentry terms. Popularised by the character Jeff in the BBC TV Series "Coupling"