Informal . a stupid person; dolt

Don't be a chumpshe's kidding you along.

a short, thick piece of wood.

the thick, blunt end of anything.

Slang . the head. ?

off one's chump

British Slang . crazy.

noun

blockhead , clod , dolt , dummkopf , dummy , dunce , numskull , thickhead , boob , fool , goof , lunkhead , oaf , sap , sucker

verb

champ , chomp , crump , crunch , masticate , munch