lunchy

[ luhn-chee ]

adjective

, Slang.

, lunch·i·er, lunch·i·est.

1. stupid; dull-witted.
2. carefree or irresponsible.

Word History and Origins

Origin of lunchy¹

1960–65; perhaps lunch (extracted from the idiom out to lunch dim-witted, irresponsible) + -y ¹