What is Shaddup?
1.
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!"
See
2.
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?"
Random Words:
1.
when one has consumed entirely too much alcohol and everything gets out of control
getting slambiggetybasted then climbing up the anten..