The act of wrapping one's penis during the last few seconds of masturbation with tissue, toilet paper, a sock, et cetera, to prevent a messy clean up of semen after reaching climax.
It also adds mild stimulation to the head
of the penis in the absence of lotion or lube.
Dude, I hate getting spunk on my sheets before bed every night, it's kinda nasty
You should have done a Courtesy Splooge. Much less mess and it feels pretty good!