ur ass 

you are donkey shit at that particular sport/action and you need to step up your game with some bitches

mark: ur ass

joe: what

mark: ur terrible at this game dawg

joe: what the fuck

ur ass by harmbe42069 May 22, 2022

ur mom 

your mother, or either a “comeback” that brain damaged kids use, sometimes they just reply with ur mom to everything cause of their brain damage.

carlos : hey julia do you know what’s for math homework?
nikita: ur mom
carlos: what?

nikita: ur mom

ur mom by idontknow024 May 22, 2022

ur big fat anus 

A very big anus. Basically it.

Oh, ur anus can certainly be used as, 'ur big fat anus' lol :).

ur big fat anus by Floof26 June 1, 2022

Ur mom 

is Ur mom cause she is

I like ur mom

Ur mom by j banks June 2, 2022

ur mum 

the words 'ur mum' are the greatest words mankind has ever invented. There is so much emotion in these beautiful words I cannot even describe how it makes me feel when someone whispers these words Into my ears it makes me feel all buzzy and tingly it is a sensational feel coursing through your body. the maker of these words a quandarius figgle bottom the 3rd now he is the most gorgeous person to ever set foot on this earth gosh I wish he would marry me.

jack: Hey christian ur mum is a fucking ugly whore.
Christian: shut up cuz guess what I had intercourse with ur dad last night
jack: wha-

ur mum by Yo_mamaOffical June 3, 2022

Ur Ban Dictionary 

What the 'Urban Dictionary' logo looks like if you squint real hard

"I got banned"
"How do you know?"
"I saw my name on the Ur Ban Dictionary"

Ur Ban Dictionary by Real-Life NPC June 4, 2022

Ur mum 

Ur mum is the absolute best, original, wittiest, and well thought out insult known to man.

Guy 1- Stop hitting my ribcage with a metal bar

Guy 2- I'm doing ur mum

Ur mum by Lil faggoty fag June 10, 2022