A person who shows the good side of themselves, while hiding the other side of themselves as being incredibly repulsive, insincere, malicious, and untrustworthy.
You are a one eyed jack around these parts, Dan. I have seen the other side of your face.
by Lexus Nexus July 03, 2014
A one-eyed jack is, in a standard deck of cards, the Jack of Spades or the Jack of Hearts, both of which are seen in profile (and thus only one eye is seen).
My pair of one eyed jacks blew away her pair of eights
by socioclast83 September 11, 2008
The act of masturbation and ejaculation in a girl's eye.
After giving his girlfriend a one-eyed jack, he didn't know if he was cumming or going!
by Tas Mania January 10, 2007