Too call someone a noob, but adding a sack at the end. You can say this to anyone and not just beginners at a game. You can also add sack to anything at the end of a word and it will be perfect.

Another definition of Tom Care

Of or pertaining to a person whom can be described as both a noobie n00b, and as male genetalia. Describes people who continually display themselves as being inexperienced, selfish, stupid, insane, and/or are a smacktard.