A nervous wreck.
Phil
Someone who lies awake at night wondering if there's a dog
Bob
On a Gir-raft.
He doesn't need to tell him to shake the martini.
To shake out the alligators. I've never seen an alligator In a tree. That's because the pigs do such a good job.
A nervous wreck! I first heard this at xmas 1952 (64 years ago) and it still makes me smile.