Someone who seems to have total disregard for others'
feelings-- also someone unbelievably cheap. This type of person
will go to a mcdonald's and order a regular
hamburger, drive home, and put his own piece of cheese on it just to save the 15 cents it would have cost to buy a cheeseburger.
dude: hey man, I called fives on that seat,
get up!
schmeitz: it's cool man, there are other seats.
pick one of those.
dude (to someone else): God,
that guy is such a schmeitz.