- Loonier than a Canadian dollar.
- More out of whack than a broken paddleball.
- Flakier than a dandruff commercial.
- More out of kilter than a naked Irishman.
- Kookier than a mountain of snickerdoodles.
Nuttier than a...
I had to come up with some "crazier than a..." smilies yesterday. Here's what I ended up with: