Define Shaddup Meaning

Shaddup
An even coarser variation of the already popular troubled youth phrase "Shut up!"

"Excuse me, sir, but I missed the trolley. Could you be so kind as to take me to the town square in your horseless carriage?" "Shaddup!"
By Leontine
Shaddup
Slang form of "shut up," (shut your pie/beef hole, plug it, quit yer damn jabbering, etc.) for those who haven't the time to articulate the entire phrase.

Also similar is Shutcherface.

"Shaddup down there, can't ya see I'm try'n'a sleep?"
By Annalee
Shaddup Shaddup!
An Australian slang term, used to express a strong fondness for someone's body. Typically used when oogling.

*Female Japanese tourist wanders into a redneck Australian bar*
Jap. Female: Ah! Konichiwa!

Aus. Male: Oh, shaddup shaddup!
By Cal