Spludge is the residual drippy leavings of jizz and poop left upon ones penis after a very sensual, yet vigorous, pounding of someone’s anus.
Bronson: Yo bro, my girl finally let me put it in her buttlast night! It was great until I pulled my dick out. It had shit and jizz on it!
Nasty Nigel: That’s called Spludge my friend. Warm. Sticky. Spludge...