its not funny 

when someone does something bad a numerous amount of times despite how many times theyve been told off for it

mum: its not funny how many times i have ive told you to stop going at bed at 6:00am and you still wont listen!
me: sorry im busy watching youtube i cant help it

its not funny by kieralovedanny June 9, 2025

It's not even funny 

A phrase used to describe something or something that someone did that is very weird or outrageuous in it's own way.

John is so good at Black Ops it's not even funny.
I ran into some hobo peeing in the lake it's not even funny.

It's not even funny by Marnigus January 25, 2011