To twist somebodies nipple using your fingers with force.

Or applying any device than can pinch a human's nipples that spins.

Style with Ease

When someone pinches your nipple and painfully twists them untill they bleed or bruse.

The name of a vampire truck stop in all of the Dusk To Dawn movies.

To grabs ones titty and twist until it turns black and blue.

Also, see purple nurple.

The pinching and twisting of the nipple or approximate area on the chest. In extreme cases black and blue bruses may develope thus deriving its secoundary name the Purple Nurple

When someone squeezes the nipples hard and twist them at the same time. This is commonly done using the index finger and thumb. This can be painful of pleasureful depending on the freakiness of one.
Can be a crude way of punishment.