A fat chick that you hook up with at a party when you are really drunk, then wake up the next day and start drinking to try and erase it from your memory, but you can't. You're stuck with that drunken image of slapping the fat and riding the wave.
Named for it's creator, it is a hollowed out dildo made to slide over the shaft of the penis. This makes it possible to have anal sex with other men without feeling weird about it, essentially enabling the wearer to claim that he is not gay.
Guy 1: "I can't believe you were diddlin' some dude's dirtbox when I walked into the apartment last night."
Guy 2 (holding booty's thick 8): "Dude, I ain't gay."
Originated in California, "what's thick?" is basically another term for a "booty call". Asking what's thick? To a person that isn't really "thick" is basically an offense.
In BTS song Mic Drop ft. Desiigner, the English part says "Did you see my bag? Do you see my bag? It's hella trophies and it's hella thick". They are referring that since they work hard their bag contain lots of trophies and it's heavy (thick). Since the original version is in Korean, when they sang that part in English it was funny so many people made it into a inside joke.