>To go bananas
To become crazy
“She went bananas when "One Direction" came on stage."
>Bring home the bacon
To earn money
“I bring home the bacon in our family."
>Have bigger fish to fry
Have more important things to do
“I can’t go to the meeting, I have bigger fish to fry."
>Eat like a horse
Eat a lot
“My children eat like horses when they get home from school."