Now I would like to share some idioms from 101 American English idioms and web BBClearningenglish.com
Go fly a kite: go away!
Show job: insincere talk!
Hit the hay: go to sleep.
Hit the ceiling: become very angry.
Don't trouble your head: don't worry!
Good egg: someone is a reliable, trustworthy and generous person!
Get in someone 's hair: bother someone!
Hope it helpful for u in one day ;)