idioms and slang

Idiomatic English can be fun:
Jay Doubleyou: a symphony in slang: a classic cartoon full of idioms

Especially when you try to translate your own language's idioms into English:
Jay Doubleyou: "this is me totally sausage" - or, the difficulties of english as a lingua franca
Jay Doubleyou: idioms of the world

How many idioms and slang words do you know for 'to die'?
List of expressions related to death - Wikipedia, the free encyclopedia
[Idiom] Death and Dying idioms
Idiom Category: Death, Page 1 - UsingEnglish.com

Here's a nice little sketch:


Monty Python - Dead Parrot - YouTube
Dead Parrot sketch - Wikipedia, the free encyclopedia

Here's a nice little list:

[Idiom] Death and Dying idioms

Here's a nice little overview of idioms and slang from BBC Learning English:
Learning English | BBC World Service

And here are a few more teaching ideas:
Jay Doubleyou: learning and teaching idioms
.
.
.