Ur mum is a common insult used for no apparent reason. This also references to Yo Mama jokes. This humor is weird and sometimes unlikable.
by pigjacob June 27, 2018
Get the Ur mummug. by Claireymondo March 18, 2022
Get the ur mummug. by Wikipedia boiiiiii January 11, 2019
Get the Ur mum gaymug. "ur mum gay",is a phrase we're a new player in ROBLOX says,in a game called Auto Rap Battles .ROBLOX is a "Kid Friendly" game.We're you can play lots of games like jailbreak.Jailbreak is a game in ROBLOX. Mostly,famous youtuber or people who uses "ALT" accounts usually use this phrase in ROBLOX to troll,for not getting banned in there main accounts.If you see avatars who has a "bacon hair" on there head (the item is called "pal hair") and bam you know what there doing.
by GmodRain07 June 6, 2018
Get the ur mum gaymug. by 23r October 20, 2022
Get the Ur mum fucking gaymug. 