run up or shut up means the person saying it is giving you an option to either run up on me (aka fight) or shut up and stop talking shit
Girl 1 : *yapping talking shit*
Girl 2 : Run up or shut up bitch because you talk too much you need to be popped
Future definition of shit.
I shat yesterday
I will shit today
I will Shut tomorrow
when you take a shit while stimulating your penis to ejaculate. (shit and nut)
i shut before the hockey game.
When you say shut up but you can't be bothered typing "up"
When someone or something completes both acts of excreting from the anus and ejaculating from the penis at the same time
Comes from βshitβ and βnutβ
Omg I just shut myself
Iβm shutting right now
This might be just what I need to shut
Jack Micheal Lawton shuts himself all the time