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.
by Amanda Is Cool January 18, 2009
Get the shuddafuckup mug.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".
by jpg3 May 11, 2011
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Bitch, shutdafuckup and suck my cock.
by bah June 19, 2003
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Get the Shuddafugguphanna mug.shut the fuck up ... or I will kill you
by Kevin Paul March 11, 2007
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