Seattle out 

To back out of a social event you said you would attend; particularly common in Seattle.

Jana: "Where's Kate? She said she'd be here."
Mark: "I think she Seattled out."

Mom: "Are you going to meet your friends for a movie at the park?"
Me: "No, I think I'm gonna Seattle out."

Seattle out by rachem September 8, 2012

seattle blacked out 

being drunk, but not drunk enough to not remember things. and telling people you're blacked out.

i am seattle blacked out.

seattle blacked out by lexil354759747 April 10, 2010