Negotiate the release of some chocolate hostages 

The act of forcing oneself to defecate following a period of constipation

Blimey, I'm going to have to negotiate the release of some chocolate hostages

Negotiate the release of some chocolate hostages by The East Stand Crusader September 25, 2003

negotiate for the release of some chocolate hostages 

To have a rather large bowel movement, especially if one has been constipated.

"Ooh! That coffee and cigarette are really doing the trick. I have to go the the bathroom and negotiate for the release of some chocolate hostages."

negotiate for the release of some chocolate hostages by Mr. Unix May 28, 2008