1.A type of underwear that physically strangles your balls. Often worn by the victims of wedgies, mervins and automic mervins. Warning: Ball stranglers are not to be worn in public because it will cause pain and embarrasment. 2. Ball strangler is slang for "tighty whiteys". This is what cool people say because they are too embarresed to even mention the word "tighty whiteys" or "briefs".