dangling dave Share definition Flag When your floppy penis wont go into the butt you were trying to fuck, so you jerk off and stick you finger in there instead. Dude, Koppel gave me a dangling dave in the lockerroom!! It was horrible!! dangling dave by bio 100 May 10, 2005 0 0 Get merch Get the dangling dave mug. Buy Now — $32.95 See more merch