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1.
from'The Morning News': A person in front of you at the subway turnstile who can’t figure out how to swipe his or her subway pass. Also: A person who tries to use a Metrocard to withdraw money from an ATM.
I went to the cash machine to get some money out, but this metrotard in front of me is completely cramping my style.
by oz April 09, 2005
 
2.
Someone who acts or looks like they are retarded but really isn't.
"Ew rachel, your being such a metrotard, stop it."
by rachiebear October 20, 2006