The act of doing something bitchy unexpectedly
Sally- Hey, I'm so happy we're going to the mall today, we're gonna have a blast!
Veronica- Oh, I forgot, my dog is sick, I can't hang out with you today
Sally- Oh.... okay, bye *hangs up phone*
Veronica- *calls boyfriend* Hey! wanna hang out today?
*Sally finds out* Wow! what a bitch ninja!