when someone has nothing to say to a sentence, they say the phrase "ur mum" or a "ur mum" joke since they cant think of anything else with their nincompoop brain.
"Ugh i wish you would listen to me, even my mom listens better" "probably because ur mums so fat and her ears are so big even when shes tired of your bullshit she still has to"
by the real fish comfirmed May 28, 2023
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Get the UR MUM mug.Person 1:Hey Carl Whats up?
Person 2:Ur mum
Person A:I had spaghetti last night.
Person B:I had Ur mom last night.
Joe:Im so worn out from basketball..
Carl:Im worn out from Ur mom.
Person 2:Ur mum
Person A:I had spaghetti last night.
Person B:I had Ur mom last night.
Joe:Im so worn out from basketball..
Carl:Im worn out from Ur mom.
by Mommy Milkiess December 6, 2021
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