Definition of chumps:
(n) :
(colloquial, derogatory) A gullible person; a sucker; someone easily taken advantage of; someone lacking common sense.
(n) :
(colloquial, derogatory) An incompetent person, a blockhead; a loser.
(v) :
(slang, transitive) To treat (someone) as a chump; to defraud or swindle (someone).
(n) :
The thick end, especially of a piece of wood or of a joint of meat.
(n) :
(UK, slang, obsolete) A person's head or face.
(v) :
Dated form of chomp. [(intransitive) To bite or chew loudly or heavily.]