Top definition
when a friend gives a specific time to leave an event because they are the driver and will leave your ass behind if you arent in the seat at that time.

Ass In Seat
"dude im driving and i have work in the morning, so A.I.S Rule applies."
"A.I.S. Rule bitches im leaving in one hour"
by Dr. figilthorp May 29, 2011
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Jun 25 Word of the Day
When someone thinks they are the main character of their life. Usually comes with a side of individuality complex, quirky style and a self centered point of view.
"I asked Jenny where the beer was and she said 'Just over the horizon, like my dreams.'"

"Yeah, that girl has a major case of Main Character Syndrome."
by CrazyandIknowit April 27, 2021
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