Shuddawp 

A more gangster-style way to say "shut up".

Eyy, shuddawp dawg !

Shuddawp by Quebecker April 12, 2008

Shuddap 

The playful/goofy way of saying shut up

How about you shuddap!!

Shuddap by I'm a PERBERT June 11, 2018

shuddapyoface 

ita means. to shut yo mouth.

example: "you're being a tool, shuddapyoface!"

shuddapyoface by nattipie May 24, 2006