A Midnight Snack is when you're woken up, from a dead sleep, at any time between 12 am and Sun-up (it has to still be dark out) with terrible diarrhea caused by the last meal you ate before going to bed.
If you are woken up with Shit Cramps, a Midnight Snack is almost certain to immediately follow.
Bro, I ate WAY too much Chinese food. I'm definitely gonna wake up for a midnight snack tonight
Having company over for some adult time in the middle of the night without staying over. When somone comes over for seggy time ridiculously late at night. Snacking late
Is anyone coming over tonight?
Yeah, i'll probably have a midnight snack at some point.
exercising as i like to call it
i exercised to the fridge at 12:14. totally not for midnight snacks
A woman's bosom, generally of above average size.
Look at that snack shelf... I could bury my face in that!
A person who sneaks snacks into a movie theatre to avoid paying 20 dollars for popcorn and 10 dollars for candy.
"Wow you went to a movie last night? That just have cost you a fortune?"
"No. I snuck in a bag of nuts and some carrot sticks."
"Great job Snack sneaker!"