Definitions by Plumbsack

Dean Thomas 

Small Penis. When a Penis is too small to be recognised as a "John Thomas" it is referred to as "Dean Thomas".
See Penis, John Thomas.

Did you see Justin Beibers package? It turns out he does have a John Thomas, he only has a Dean Thomas!

Dean Thomas by Plumbsack December 16, 2015

Plumbnuts 

A more severe case of blue balls.

Man, that bitch gave you fucking plumbnuts and all?!!!

Plumbnuts by Plumbsack September 29, 2007