Animal idioms
Food & drink idioms
Body idioms
weather idioms
100

What does "barking up the wrong tree" mean?

Choosing a bad decision

100

What does "It's a piece of cake" mean?

It's easy

100

What does "break a leg" mean?

It means to have good luck. 
100

What does "Under the weather" mean

It means not to feel well

200

What does "it's raining cats and dogs" mean?

It's raining heavily 

200

What does it mean to be a "Smart cookie"?

A clever or intelligent person

200

What does it mean to be "all ears"?

Fully listening and paying attention

200

What does it mean if something is a "breeze"?

It is something easy

300

What does "the elephant in the room" mean?

An obvious issue that needs to be addressed

300

What does "bad egg" mean?

A person who is untrustworthy 

300

What does it mean to have "Cold feet"?

Feeling scared or nervous about something 

300

What does it mean to "Break the ice"?

To say or do something to relieve tension in an awkward situation.

400

What does it mean to be on a "Wild goose chase"?

A hopeless or pointless pursuit

400

What does it mean to "bite off more than you can chew"?

To do more than you can handle

400

What does it mean to be "pulling someone's leg"?

Teasing or joking with someone

400

What does it mean to "steal someone's thunder"?

To take praise or attention meant for someone else.

500

What does "straight from the horse's mouth" mean?

Hearing information directly from the original source.

500
What does the "big cheese" mean?

Someone who is important

500

What does it mean to be "Head over heels"?

To be deeply and completely in love 

500

What does it mean to "throw caution to the wind"?

To take a big risk