The worst insult ever known to mankind. It means that someone is not only a prick, they're the whole cactus. This extremely offensive word was believed to have originated in the Medieval ages or before that. It is the worst insult ever. 'ur mom a cactus' is even worse than 'ur mom gay', 'ur papa a nazi', 'ur gran gran a trans man', 'ur dad a lesbian', 'ur cousin a muffin' and the N word. It is not a bad as 'ur mom trans' and 'ur papi nazi'. This word is also worse than 'Karen'.
Karen: Why did you block me? Ur mom gay.
Donna: Ur mom a cactus.
Karen: That hurts.
Donna: Just avoid ur mom and you'll be fine.
Karen: I'm gay.
Donna: Yes.
Donna: Ur mom a cactus.
Karen: That hurts.
Donna: Just avoid ur mom and you'll be fine.
Karen: I'm gay.
Donna: Yes.
by Pigeon girl June 22, 2020

“So how are you” “ur mom”
by TheColorGreeeen August 2, 2021

Let’s say somebody says “what did you do last night” and you don’t want to say what you did do you say “ur mom”
by Sought June 25, 2021

by Flatfuzz December 14, 2020
