Значение идиомы shoot up

[shoot up] {v.} 1. To grow quickly.

Billy had always been asmall boy, but when he was thirteen years old he began to shoot up.

2. To arise suddenly.

As we watched, flames shot up from the roofof the barn.

3. {informal} To shoot or shoot at recklessly; shoot andhurt badly.

The cowboys got drunk and shot up the bar room.

Thesoldier was shot up very badly.

4. To take drugs by injection.

Aheroin addict will shoot up as often as he can.