1. to hustle; to hurry up
2. to be made aware of something late and respond by making accommodations quickly
3. originally a term used in the military referring to pilots getting their planes off the ground in the shortest time possible in order to deal with a situation
Trey: What do you mean y'all are leaving for Cincinnati tonight?! I'm supposed to work all this weekend!
Marcus: Dude, just get someone to cover for you. Scramble the jets!