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A total vibe. Like when you're chill but you look like you just stepped out of a fancy 18th-century fashion show and you're flexing like you're rich.
Bro, you're so macaroni today, I thought you had a personal stylist.
She walked in and was like, 'I'm macaroni,' and I was like, 'Bro, you're just wearing a shirt.'
That guy is so macaroni, he probably eats lobster with a spoon.