Nuttier than a...

I had to come up with some "crazier than a..." smilies yesterday. Here's what I ended up with:
  • 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.
So what can you pull off?