my hair's on fire
Example:
Susan: So I was hanging out at the mall....
Tim (interrupting): Anyways, dude- did you see the game last night?
Susan: Um.... Hello?! My hair's on fire! I was talking!
Susan: So I was hanging out at the mall....
Tim (interrupting): Anyways, dude- did you see the game last night?
Susan: Um.... Hello?! My hair's on fire! I was talking!