word formed by the sound 

 buzz, boom, pow, sizzle, zap

 calling something it literally is not 

 You are my sunshine!

 expression commonly used

 It is raining cats and dogs!

 bring up something famous to make a point indirectly 

Tell Romeo he can lose my number.

 comparison using like or as 

 He is as brave as a lion.

 say one thing but mean another (sarcasm)

 I had a GREAT day!

 human traits given to non-human

 The trees danced in the breeze.

 repeating the first letter in a phrase

 She sells sea shells by the shore.

 joke on meaning of a word

 Frog parking only - all others will be toad!

 mild word used instead of a harsh one

 I heard your grandpa passed away.

 exaggeration

I haven't seen you in a million years.

 opposite terms combined

 jumbo shrimp

 absurd, contradictory statement

 absurd, contradictory statement