chump /t͡ʃʌmp/noun 4verb 2forms 3phrases 2 noun4 •(informal, disapproving) An incompetent person, a blockhead; a loser.That chump wouldn't know his ass from a hole in the ground. •(informal, disapproving) A gullible person; a sucker; someone easily taken advantage of; someone lacking common sense.It shouldn't be hard to put one over on that chump. •The thick end, especially of a piece of wood or of a joint of meat.Shaped as if they had been unskilfully cut off the chump-end of something. — 1861 •(slang, no longer used) A person's head or face. verb2 •(slang) To treat (someone) as a chump; to defraud or swindle (someone). •(old-fashioned) Dated form of chomp.At a neighbouring table two Germans were making a hearty meal, chumping the meat and smacking their lips in a kind of heavy ecstasy. — 1922 formschumped · chumping · chumps Phrases with chump chump changeAn amount of remuneration, reward, or other monetary recompense considered to be insultingly small. chump offTo treat (someone) as a chump.