Testicular nut blast

When you cum inside someone so much you feel a small explosion from your nuts into whatever you are jizzing into.

UGH BABE I'M GONNA HAVE A TESTICULAR NUT BLAST.

chunky nut blast

Goku used this move on Chichi, which produced Gohan. Years later, Goten as well.

"WOW Chichi, that was a good chunky nut blast!"