sitting up 

In jail/locked up. Used as slang to reference experiences of being locked in a cell with nothing to do but sit up and think.

“Judge gave him 20 now he’s sitting up, sad story man”

“Most the niggas I grew up with are either sitting up or gone” - A boogie

sitting up by Black mass January 13, 2021

sitting around with your thumb up your ass 

Doing nothing.

What have you been doing all day? Sitting around with your thumb up your ass?

sitting around with your thumb up your ass by brando56894 November 20, 2013

Shitting up a storm 

When you poop more so than a normal amount on a given sitting or pooping so much throughout the day.

Me: I shouldn't eaten those two burritos last night. I'm just shitting up a storm-I already pooped an ungodly amount twice this morning. I feel bad for my toilet.

Shitting up a storm by mitch_southpaw March 19, 2018

Shitting up 

Verb, used interchangeably with "fucking up". Mostly in regards to destroying something that otherwise would be well organized.

Pinterest only exists for shitting up Google image search results.

Shitting up by Hyperi0us October 13, 2021

just setting up my twttr 

The very first tweet written on Twitter.

Kyle: Hey, do you know what the first tweet on Twitter was?
Chris: just setting up my twttr
Kyle: Okay.

just setting up my twttr by The Real Driller July 14, 2021

Sittin up fat 

When someone has provided a luxurious lifestyle for another

KT: I saw her baby daddy at the East Side Motel spittin game on some ho. Ain't his boo Pookie?

Big Ames: No, he don't stay with her no mo. Before she blew all his scrill, she was iced out, rollin a Mercedes, and livin at his sick crib. She didn't even have no job. He had her sittin up fat.

Sittin up fat by Amy Clemmons & Katie Foster December 14, 2008

setting up a new network 

When your friend makes up an excuse to skip game night but is actually at home practicing shibari with their partner.

Man 1: Yo bro! You doing Family Game Night?
Man 2: Sorry Homeslice, setting up a new network tonight.

setting up a new network by mastertooter March 26, 2021