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Slang term for being really out-of-it; caused by being overly tired, stoned, hungover, or just generally spaced-out, etc.
Person 1: "Wait, what time did you say he was coming over again? I keep forgetting..."

Person 2: "Wow, I've told you like three times.... Cactus!"

Person 1: "Haha, yeah- I'm mad cactus."
by Marti P. B. July 05, 2009
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10
A spikey plant found commonly in deserts. Cacti when refering to more than one.
You walk into the desert an there are fairly tall green spikey plants, these are cacti. A cactus on it's own in a desert is near impossible.
by [Hidden for privacy reasons] December 17, 2011
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has very sharp hairs on her leg like a cactus
omg look at her legs, shes a cactus
by janooooooooo August 20, 2013
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12
misunderstood. someone who looks like they can hurt you. someone who's intentions are always good but end up hurting people they love due to their nature. beautiful disasters.
She scared me- but her voice was sweet and her eyes engulfed me into a trance. She was a cactus, and I knew getting close was going to hurt.
by messygal August 23, 2016
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that fucking prickly thing that in arizona, and africa

it's a crappy plant that nobody likes, and they should ban it
"hey remember when we lived near a cactus?"
"stfu"
by Break Your Bones Bitch June 01, 2020
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