Green’s Dictionary of Slang

1. (US Und.) a second-rate criminal.

1949

Monteleone Criminal Sl. (rev. edn).

2. (US campus) a socially inept person.

1991		Eble Campus Sl. Fall.
1996		Eble Sl. and Sociability 94: Chester, for ‘someone who is cheezy (socially unacceptable or unfashionable)’ comes from a cartoon character in a Cheetos commercial who keeps saying cheezin’.