when you ask someone for information, and tell them that it will be on the confidential so the information will stay between to the 2 people in the conversation, its quite like "on the DL" but less ghetto. coined by me, 2005
person 1.so whats goin on with you 2.
person 1.cmon itll be kept on the confdential.
person 2.ok well ....
make sure you keep that info, on the confidential