having said that 

A phrase used to negate something that you just said so that you can then say what you actually think.

Larry: The book looks great, Jason. Having said that, I would consider it more of a pamphlet than a book. It's looking a little thin.

having said that by Brantski November 24, 2009

having said that 

A phrase used to completely negate what you said before. It is often used by an individual who is weary of revealing their true feelings on a subject matter.

Jeb: I'm not a racist but having said that I think all non-white people are dumb.

Jeff: So you are saying you are a racist...

Jeb: Yes. Absolutely.

having said that by RedBeard53 November 24, 2009