screw loose

see have a screw loose.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words for screw loose

insane, nuts, wacky, kooky, nutty, silly, mad, screwball, lunatic, cuckoo, psycho, berserk, ape, potty, barmy, batty, bonkers, cracked, crazed, daft