screw loose

see have a screw loose.

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

Related Words

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