1 definition by Japan Man

When someone gets annoyed really easily.
This could also mean grumpy or triggered.
Serena is such a mac.

Jack acts like such a mac, can't he just take a joke?

Woah, Jake, take a chill pill; stop acting like a mac.

Hey Noah, I made a mac & cheese sandwich for you. What? You don't like it? Well take your mac attitude elsewhere and give me back my mac & cheese.
by Japan Man July 10, 2021
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