shutdafuckup

To "Shut the fuck up"; cease blabbering

Bitch, shutdafuckup and suck my cock.

shutdafuckup by bah June 19, 2003

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shaddafuckup

This is the reply one should use when some idiot attempts to tell you how you should do something you already deal with on a regular basis and that they have never experianced and know nothing about.

Mr. Knowitall was once again getting on everyones nerves by telling them how they should complete the job when one individual shut him up by blurting out, "shaddafuckup".

shaddafuckup by jpg3 May 11, 2011

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Shuthefuckup

When you say “shut the fuck up” fast with your teeth clenched, generally when someone says something stupid or idiotic that they think is inspiring or meaningful.

Janet: “Earth without art is just Eh”
Nathan: “Shuthefuckup Janet, nobody fucking cares”

Shuthefuckup by Lambrini July 25, 2018

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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