(v) pronounced (shon-tay).
The act of instigating a plan involving another person, but failing to follow through or notify the other person that you weren't coming.
The important difference between a chante and a flake
is that to chante a person implies that you were the one that extended the invitation, and then subsequently bailed on the plan.
Although I havent heard the term used commonly outside of Washington, it seems to be gaining popularity over the last year.
Jason: So I heard Sarah asked you to the concert last night. Did you go?
Nick: No, she totally chanted me! Not even a courtesy call the next day to apologize or explain why she didnt call.