Cactus 

An insult.

A cactus is a person who tends to be an annoyance to anyone they meet.

It means someone who is always full of pricks

Ryan, why do you always have to be such a Fucking cactus

Cactus by You are a glass of milk December 20, 2019

Cactus 

An weapon of mass destruction that is banned to trick killing thousands of people in World War I the Government tried to put it as gas but we all know that that prickly plant is dangerous and that we shall fear it because it is awesome more deadly than the pineapple which is also known as an apex predator

Guy 1: hey I got a cactus recently
Guy 2 alredy diling 911: you are a dangerous criminal and I will make sure that you get killed for your dangerous action you have a weapon that will kill us all you fool.

Cactus by I hope I get on a subreddit pl March 20, 2020

Cactus 

A plant whose shape thrills the women,but also are useless to them as it got some shit spines over its surface.

Mary" Why my order for a spineless cactus not shipped yet?".

Cactus by John Weblyek April 21, 2020

Cactus 

A sex toy that grows in the wild

Greg: hey dude, could you help me out? there's a bunch of pricks in my arse

Dude: let me guess, you found a cactus?

Cactus by Vibrating3rdLeg June 29, 2020

cactus 

As used in kiwi, the song by Harry styles, a cactus is someone who is a real prick.

tom: "Ayy Gary is coming over tonight"
jeff: "what a cactus"

cactus by Pig rolls July 2, 2020

cactus 

hm idk it’s green... and spiky!?? just dont touch one

Ouch! That cactus was spikey
Well I said not to touch it!

cactus by Mimi R February 22, 2021

Cactus 

/adjective/
Used to describe something as pretty to look at but fairly boring or dangerous when approached

i.e. "wow, your elephant is cactus" "This boss sure is cactus"

Cactus by Abley Squares March 7, 2021