An act of sticking ones butthole in the inflation point of an air mattress, then having another person body slam the air mattress. The result of this action launches the first person much like a bottle rocket.
Damn bro I just saw two people bottle rocket each other.
When a man screws a woman or man in the butt then ejaculates while the person being screwed farts at the same time causing the penis & sperm to be forced out looking like a bottle rocket shooting off.
I was screwing the girl and she performed the bottle rocket on me.
The act of ejaculating while using a penis pump. You must then take said ejaculate and pump the entirety of it into your anus
Guy 1: "Dude I pulled a European bottle rocket last night"
Guy 2: "Nice"
The man holds a sparkler in his butt crack and after lighting it, attempts to climax in his partner at the same time as the sparkler (fuse) burns out. Those giving them The Bottle Rocket.
“Bro, I burn my ass cheek giving my girl The Bottle Rocket last New Years.