Meaning of “SaShu(サ終)”
“SaShu(サ終)” is an abstraction for “Service(サービス) shuryo(終了)” which means end of service.
Shuryo(終了) means end.
This is an internet slang.
*We often see this slang on internet, but I’ve never heard this as spoken language.
Example Conversation on Twitter
A: The mobile game of SQUARE ENIX is SaShu(サ終)…
B: Already? Too soon!