The act of ejaculating on your partner's back in a below freezing temperature environment. Whereupon the frozen semen is peeled off and fed to same partner.
"The wife and I are going ice fishing this weekend."
"Are you sure? It get's cold out there."
"Of course, mid-January is sperm chips season!"
When the last belated dribbles of cum finally make it out of the urethra, and seal the tip of the penis, or otherwise. Can cause a slight sharp pain in the penis if not thwarted before urination.
Fred masturbated before bed, then later woke up to pee. He hadn't realized that he was sperm-sealed, and was painfully pulled from his drowsiness when nothing immediately came out.
The result of sperm being contained in a human anus and retrieving far to quickly, resulting in an explosive blow containing a stew composed of excrements and seamen.
Finished up... went to the bathroom.. I came back and she said we had a problem... sperm-poop!