What is Mcstfu?
1.
1. When driving through the McDonalds drivethrough, when they ask you what you want say A McStfu.
2. Something To say to somebody very annoying.
1.
Drivethrough Lady: What can I get you today?
Man: Oh I'll just get a McStfu
2.
Nerd: Hey Morse!
Morse: McStfu Before i kill j00.
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