reach for the sky v. phr.,
slang 1. To put your hands high above your head or be shot.
■ Usually used as a command.
A holdup man walked into a gas station last night and told the attendant "Reach for the sky!" Synonym: HANDS UP.
2. To set one's aims high.
"Why medical technician?" asked her father. "Reach for the sky! Become a physician!" [TahlilGaran] English Idioms Dictionary ▲