Definitions by Lolly age 13,GarethGates fan,Pompey

mongchop 

adjective;describing the mentally under-achiever/fat barrel of monkey spunk;usually 1 of one's mates;often illiterate;sometimes just generally retarded/annoying

David Beckham

mongchop by Lolly age 13,GarethGates fan,Pompey July 25, 2003