Balloon-Tail Nipple

When the nipple you're currently sucking on is so saggy and lifeless, that it feels like you're sucking on the tail of a deflated balloon.

Redneck Billy : "Girl yo mama got some massive jugs. But why do you have a Balloon-Tail Nipple? Like bitch what are you adopted or something?"
His Cousin Sister : "Nah I'm just lactose-intolerant."