-wad

Definitions

General English

Medical

  • noun
    (written as wad)
    a pad of material used to put on a wound

Slang

  • combining form a termination (denoting a despicable and/or disgusting person) seen in such compounds as jerkwad, dick-wad and butt-wad. The wad in question originally referred to tissues used as a receptacle for bodily excrescences. -weed is a disguised version of the same suffix.
http://www.dictionarycentral.com/definition/wad.html