2 definitions by Plumbsack

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!
by Plumbsack October 22, 2015
Get the Dean Thomas mug.
Man, that bitch gave you fucking plumbnuts and all?!!!
by Plumbsack September 13, 2007
Get the Plumbnuts mug.