A fork of Rural Dictionary
n. knucklebabies is the outcome a male gets after he roughs up his suspect (masterbates) and dosent release his sperm into a sock or something and it is all over the back of his hand.
I got home late lastnight and my wife was asleep,so i went to the computer and racked out a batch of knucklebabies.
Sperm or semen, especially when induced by masturbation.
"Yo Scooter, what's up with your petrified Kleenex?" "It's nothin' dude, just my knucklebabies from rubbing one out earlier today."