Seven Days of Euphemisms (day 7)

Wow, what else is there?  I know I have missed a lot of them out here.

 

The final list:

 

Crazy

Loco

Looney Toons

Off your rocker

Gone 'bye bye'

Nuts

Section 8

Whacko

Cuckoo

Batty

Unglued

Psycho

Kooky

Bonkers

Mad as a Hatter

Daft

Slipped a Cog

and, of course my favorite...'Anne'