List of "green" idioms with definition

give someone the green light- give permission to go ahead with a project

to have a green thumb - a have a talent for making things grow

green with envy -very jealous, full of envy

wearing of the green - to wear green clothing on St. Patrick's Day

to be green around the gills -to look very sick

green-eyed monster - - to feel jealous

to be green - to be inexperienced at something

grass is always greener on the other side - a place that is different seems better than where we are now

folding green- paper money

"green-eyed monster" comes from Shakespeare's Othello, spoken by Iago to Othello about the other's jealousy of his wife Desdemona, which Iago is using to destroy the moor.

Also, how about "the moon is made of green cheese"? It comes from the new moon looking like a fresh, unripened wheel of cheese, or "green". tjoeb};>