To plan an event down to the very last detail, only to be blown up in the end by a single variable gone wrong.
Suzy: Ok, got my cell phone, keys, car, and purse. Good to go! Me and Mark are going to have so much fun!
Mark: Yeah, uh... I can't make it to the party. My mom broke her leg and I have to take her to the hospital. Sorry.
Suzy: *calls her BFF
Danielle, Mark is blowing off the party! *cry cry*
Danielle: Girl you just got a failure to launch.