Definitions by Kulig

Mendelson 

Shaddy characters that lie, cheat, and steal; tend to be greasy individuals; see hood or wigger

My next door neighbor is such a mendelson

Mendelson by Kulig May 3, 2006

Buttweasel 

person who is very disloyal, a backstabber, or a hypocrit

Many people see their bosses as buttweasels.

Buttweasel by Kulig May 3, 2006