Bedtime Babies Share definition Flag Slang for stains on the bedsheet. Implies that the owner of said bedsheets has masturbated while in bed. I found bedtime babies in my roommates bed!! Bedtime Babies by UNHEuphkid April 4, 2004 0 0 Get merch Get the Bedtime Babies mug. Buy Now — $32.95 See more merch