When a man sucks his own dick and his partner dances on his butt. Requires extreme flexibility and is quite painful for the reciever's tailbone or lower spine.
Last night Karen gave me a swedishfirecracker,it hurt like hell and now I can't sit down.
When you nut inside of a girl’s butthole and immediately punch her in the stomach after pulling out, thus making the semen forcefully eject out of the woman’s anus causing a firecracker like explosion.
I gave my girlfriend a California firecracker in the backseat of my civic, that stain ain’t never coming out.