PC.net

SU

Meaning Shut up
Type Acronym
Rank ★ ☆ ☆  Uncommon
Usage Online Only (chat, messaging, e-mail)
Comments

A quick (though not very polite) way of telling someone to stop talking (or typing).

Example "I think we'd all be happier if you'd just SU."
Updated June 30, 2021
Information from PC.net
https://pc.net/slang/meaning/su
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