Definitions by Mr. Fantasm

Birthday Shit 

Birthday Shit: The feeling of not feeling at all important the day after your birthday which was filled with Happy Birthdays and other nice greetings.

Dude 1: Yo Dude 2, what's wrong with Dude 3? He's been pompous all day and now he's gloomy as fuck!

Dude 2: Oh Dude 3? He's Experiencing the Birthday Shit.

Birthday Shit by Mr. Fantasm March 4, 2012