chump

To bite or chew loudly or heavily.

“The dog chomped on the treat and swallowed it in one gulp.”

(Perl) To remove the final character from (a text string) if it is a newline (or, less commonly, some other programmer-specified character).

An incompetent person, a blockhead; a loser.

“That chump wouldn't know his ass from a hole in the ground.”

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.