Cotton Mouth
a penis that belongs to someone who will accuse anyone who comes within three feet of him of being after it, and is very protective/proud of it.
Jones: Yo Brian you tyina grab my fat junk?!

Brian: no yo, I just dropped my lighter.

Jones: that's it me and my fat junk aint bouncin around this gay town no more.

Jeff: That's ok Jones nobody wants your dayum Cotton Mouth around here.