The pirate responds: "Arr, its been drivin' me nuts."
You've got a lot of potential, son.
It's rear end!
He thought he was going to Arrrland.
A buccaneer!
The pirate responds, "arrr! I've no idea, but it's drivin' me nuts!"
Sherlock responds, "A lemon tree my dear Watson."
A P. Because it's like an ARR, but it's missing a leg.