Ryan: "What are you doing next Friday night?"
deth: "Oh, i'm going to the artwalk with Heidi...Oh, crap! I was supposed to go see this band with someone else the same night..! Looks like I've doublebooked myself again.""
A term used by someone to get out of a commitment at the last minute due to ignorance, lack of communication or being strong-armed by another individual. People who use doublebooked as an excuse for such an act usually try to lay blame on anyone but themselves, such as a family member or friend, instead of taking responsibility for their disappointing behavior.
He told the group of friends that we was doublebooked two days before the concert, even though it had been planned for nearly a year.
A doublegoodbye is when you have to say goodbye to someone once, then for some reason, go back (to pick up something or say something) and say goodbye again. This was used by Larry David in Curb Your Enthusiasm.
to indicate that some has insulted you, but that you haven't really taken offence. Deriving from the word cow as an indicator of the someone you don't like.