A shortening of the "flat-rate box", the pre-sized boxes produced for priority and express mail delivery by the U.S.P.S.
Bill: Do priority boxes come in pre-boxes?
Bre: You mean flat-rate boxes?
Bill: Yes, obviously
A bunch of naked Asian males in a dark room trying to grab each other's cock.
Nicole walked into a box of ramen and had to feel her way out . Luckily no one was long enough for her to feel more than just the tip.
A specific type of hotboxing in which the car is covered in snow/ice. This may also be done inside of an igloo or ton-ton.
Dude, the car is covered in snow! Let's hoth box.
A woman who's pussy is infected/infested with STDs/STIs or other disgusting vagina related affliction/disorder that is unbeknownst to her male/female/trans partner at first who then end up receiving it thru oral sex or penetration. They only will find out about what they got after their hookup/interaction
Gizzy: I'll spread it out over time, don't worry. I won't tell it all tonight. I'll spread it out.
Kurn: You wanna talk about your fiery box that's on fire and that's why you can't keep a man? Do you want to do that?
Miya: What's a fiery box?
Another way of saying that a girl has a smelly vagina
Our Rachel has a stinkin gunk box