Get in someone's hair            
          : Bother someone

Get off someone's back          
          : Stop bothering someone

Go fly a kite
          : Tell someone to go away

Get up on the wrong side of bed
          : Get up with a bad temper

Get the ball rolling
          : To get something start such as plan / project

Give the best shot
          : Try the best

Get somone's nerve
          : Bother someone

Green
          : New / Beginner

Give up the ghost
          : Die

Go south
          : Worse

Go over one's head
          : Something that is too difficult or not intersting at all

Go for it
          : Agree with it / Do it

Go Dutch
          : Pay the bill equally (usually with food)