look up any word, like cum:
A martz is a person who is hispanic (spic) and enjoys to have sexual relations with and/or date one of his friends stepsisters
Man im gettin sick of that martz always hangin around my sister
by thayes May 15, 2006
A German last name. Derived from "dweller".
Hello, Miss Martz.
by Spliffyy September 08, 2008