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1.
Shaddy characters that lie, cheat, and steal; tend to be greasy individuals; see hood or wigger
My next door neighbor is such a mendelson
by Kulig April 22, 2006
 
2.
Synonym for jerk/asshole/over-all waste of time and sperm
you will have a hard time finding his penis, its in his "girl"friend's purse and its so small she can't even find it
irritating laugh
What a Mendelson thing to do!
That guy is such a Mendelson!
Ew is that mendelson walking by? yes it is, I can smell it
by anti douche bag association May 19, 2009