jump the gun = to be hasty, to do something sooner than you should
scratch someone’s back = to return a favor
to hit the ceiling = to become very angry
He often hits the ceiling, so everybody scratches his back so they don’t get into trouble with him. As a result, he often jumps the gun on important issues because he doesn’t get correct information, on account of too much back scratching.
fork over = to hand over, give (you usually don’t want to)
Many people are forking over consumer tax that has risen from 5% to 8% recently.
