bag night is when you and the homies are all in ur bag. the lights are off, the bag playlist is on, and everyone is depressed
bro: why is Jocelyn Flores on repeat
me: its bag night
bro:
"Yo, the Phillies won?! What a 2 bag night!"
"Yo, you aced that midterm?! What a 2 bag night!"
"Yo, this pizza is a 2 bag night bro"