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STDU

It stands for shut the duck up. A clean version of the well known STFU which means shut the fuck up.

"STDU, Cate! I don't care about your bunions

by Moochieface7 July 1, 2019


STDU

Suitable replacement for STFU. It actually means 'Shut the Duck Up'.

Guy 1: Look, DUCKS!
Guy 2: STDU!

by Simon Callahan January 18, 2004

9👍 16👎