What is Stick up ?
Stick up is (verb) 1. to be further up above a surface or to extend beyond a surface The aerial sticks up above the roof of the car. 2. to attach something to something such as a wall or noticeboard for people to see She stuck up a notice about the village fete. 3. stick ’em up! put your hands up! (infor- mal.)
source: Easier English, Student Dictionary Upper Intermediate Level