SHUTDAFUKUP!! 

That word that you say really fast in order to substitute the phrase "Shut the fuck up!", because you are afraid of the people around you that might hear it.

Billy: I love Pokem-- Me: SHUTDAFUKUP!!!

SHUTDAFUKUP!! by John Wick 12321 December 10, 2019

Shudufukup 

Shut your fucking mouth.

I wish that bitch would shudufukup

Shudufukup by Bollocks McArthey July 31, 2003

shutdafuckup 

To "Shut the fuck up"; cease blabbering

Bitch, shutdafuckup and suck my cock.

shutdafuckup by bah June 19, 2003

shuddafuckup

A phrase that has been shortened to two syllables, meaning shut the fuck up mainly used to annoy friends by saying it non-stop whenever they try to talk.

Amanda: Hey, guess what I did today, I went -
Alex: shuddafuckup.
Amanda: you shuddafuck up!

shuddafuckup by Amanda Is Cool January 18, 2009

shuthefukup

Shut the f*ck up. A faster way of saying to do so. Usually ends with the name of the person it’s directed to.

“Shuthefukup, Juan”

shuthefukup by billy_juan55 February 4, 2020

shudafukup 

shut the fuck up ... or I will kill you

If your friends are pissing you off just say "shudafukup"

shudafukup by Kevin Paul March 11, 2007

Shudafucup 

SHUT THE FUCK UP YOU ANNOYING BITCH

Bill: I put cereal before milk
Bob: FUCK U AND SHUDAFUCUP

Shudafucup by Ndhdhdbdbxcbdbdjxgdv February 6, 2021