loco

Meaning: crazy, insane

For example:

I'm sure the new tenant in Apartment 4 is loco. I heard her screaming something about little green men coming in through her window.
My cousin Jill went a bit loco after she'd had her third child, but she's much better now.

Note: This word is not politically correct, and many people might find it offensive. A more politically correct term is "mentally ill".

Origin: "loco" is the Spanish word for insane, and it was first borrowed into English in the late 19th century

Quick Quiz:

If your friend is going a little bit loco, you could suggest they

travel on trains less
try to eat less
see a psychiatrist

Discuss: loco

Slang of the Day

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Slang/L