What it means
Means a bit mad, dopey, or delightfully eccentric. If someone’s loopy, they’re not dangerous, they’re just on their own odd wavelength, doing harmless chaotic bits that make you laugh. It can also mean you’re spaced out, lightheaded, or away with the fairies after no sleep, too much caffeine, or a dodgy cold. Usually affectionate, not judgemental, even if they’re chatting rubbish.
Usage examples
"She’s made a seating plan for her cats and called the ginger one Chairperson. I told her that’s proper loopy, and she goes, yeah, but attendance is purrfect, innit"
"After two nights of no sleep I went proper loopy and put the milk in the cupboard and the mug in the fridge."
"He has these loopy schemes every summer, this year it's building a hot tub out of straw bales."
"Don’t mind Zara, she’s gone a bit loopy on three iced coffees and now she’s naming every pigeon in the park."
"I was so loopy after that night shift I nearly tapped my Oyster card on the front door."
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Where it comes from
Loopy comes from loop with the everyday adjective ending -y. It first meant something full of loops or bent round in curves. By the late 19th and early 20th century, it slid into meaning woozy, muddled, or a bit harmlessly mad, which is the sense people still use now.
Other ways to say it
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