A person, usually male, who plays video games, dresses like a fag, acts like a virgin, might be on the virge of becoming bi or gay, and wants to have sex with his/her cousin.
Tommy: All that guys does is play Pokemon and doesn't even check out those girls.
someone who usually pisses everyone off; maybe someone who is a pain in the ass e.g. - retard, fuckface, etc.: the choad reference is a penis that is wider than it is longer, something undesirable; people usually add face after everything...hence choadface