The pieces of popcorn that don't pop even though you put 2 minutes and shake the bag. Flopcorn might seem like a bad thing, but if you think about it, flopcorn means less popcorn to steal flavor from the other popcorn, and a more buttery, saltier popcorn.
I ate all the popcorn and found flopcorn in the bottom of the bag, it was disappointing, but then I think back to how much better the other popcorn taste, then cheered up.
a word used to discribe someone who smells really bad, usually geared towards girls, if literally taken, it means a combination of the smells of fish and popcorn
'ah i wish that chickover there would close her legs, it smells like flopcorn in here'
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.