Popcorn Kief
The substance found in the bottom of Movie theatre popcorn, typically consisting of popcorn dust and unpopped kernels.
Person 1: Hey you want to get some Popcorn before we head in?
Person 2: Nah man, I brought my own shit. That movie theatre popcorn is like 50% popcorn kief, break my teeth on that shit.
Person 2: Nah man, I brought my own shit. That movie theatre popcorn is like 50% popcorn kief, break my teeth on that shit.