awchief
The sound made while formulating an excuse for why you are about to bail on your friends to do something that probably won't get done anyway
"Awchief (or awwwwwwchief), you know I'd love to go along, but I have to write a few chapters of a book, knock out some laundry, watch paint dry, solve the middle east thing, and catch up on some Tivo'd games I already read the outcome of, but definitely keep me in mind next time."