The S&M bondage trick when the circulation to the breasts is cut off and the boobs turn a shade of purple, usually with rope or rubberbands.
by Sofalala January 07, 2011
A girl who is nervous and/or cold while sitting among men thus her breast turn a shade of purple. This is most commonly noticed when the girl is wearing a low cut shirt.
by icemann694 June 26, 2011