like nemesis, but from the wrong side of the tracks;
the DARK side, if you will. there is something more sinister about it, with that silent "g" lurking at the beginning of the word. a nemesis with an ulterior motive. can often be used in place of 'nemesis'.
Short depressed child, usually at the front of a My Chemical Romance gig, too young to drink or smoke, these vile creatures manifest the mosh pit like retarded cockroaches, getting under your feet and making a pain of themselves. These sad, acne infested gnomes should be avoided at all costs! Very annoying, exterminate on sight.
"Dude, i was falling over in the mostpit, it was full of fucking gnemos!"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi