Comparable to "hold on" or "hold up". Said in a state of confusion to someone saying something that you not quite following.
"Did you know birds die when they have sex?"
"No, really?"
"Yeah, well the one I fucked did."
"Slow up, what?"
"No, really?"
"Yeah, well the one I fucked did."
"Slow up, what?"
by Kaperonis September 5, 2021
Get the Slow upmug. by daisiesart December 18, 2016
Get the Slow upmug. by DarkhandMasturbates May 11, 2021
Get the Slow Upmug. A variation of the term "slow down", that is guaranteed to fuck with the general population. Means the exact same thing, but is very effective in driving people into a nervous breakdown. Usually paired with "shut up", as; "Shut and slow the fuck up"
Freddy: "Johnny, Slow up!"
Johnny: "You mean, slow down!"
Freddy: "SHUT AND SLOW THE FUCK UP YOU BUTT PLUG"
Johnny: "You mean, slow down!"
Freddy: "SHUT AND SLOW THE FUCK UP YOU BUTT PLUG"
by Planet Ocean November 27, 2018
Get the Slow Upmug. Liz: At class today this boy told me he wanted to get my lovin. Guess what I said!
Kel: What did you do.
Liz: Slow up the train man. Take yo' nonsense, pack it in a suitcase, zip it and manage. Before I kick your booty to tune town. You can even manage the train tell yo crew your nonsense and they can believe what ever you tell them.
Kel: WTH did you just say.
Liz: What my momma would have said.
Kel; (lol) omg your something else
Liz: I know! Now, please let me have a snack woman.
Kel: What did you do.
Liz: Slow up the train man. Take yo' nonsense, pack it in a suitcase, zip it and manage. Before I kick your booty to tune town. You can even manage the train tell yo crew your nonsense and they can believe what ever you tell them.
Kel: WTH did you just say.
Liz: What my momma would have said.
Kel; (lol) omg your something else
Liz: I know! Now, please let me have a snack woman.
by Wolfdg8mys0ul00lz December 1, 2009
Get the Slow up the train manmug. by tungsten September 6, 2004
Get the back it up slowmug. 