How many ways are there to say "crazy"?

Synonyms:

Crazy Cat Lady

- bananas

- nuts
- nutty
- loony
- loopy
- weird
- mad
- insane
- wacky
- goofy

Idioms:
- have toys in the attic
- away with the fairies
- a few sandwiches short of a picnic
- have squirrels in the attic

Similes:
- nutty as  fruitcake
- mad as a hatter (from Alice in Wonderland)

Of course there are more synonyms.  Can you add more?  Which is your favorite one?  Mine are goofy and toys in the attic.