Or, in the cartoon world.. Wacko: "I've got a potty emergency!"
Darn those Animaniacs, getting into people's heads.
I agree, I've never heard anyone say loo around here. It's usually bathroom or restroom. However, if you want, I have some other... colorful... euphemisms heard from the brother-in-law...
"You need me. You wouldn't be much of a hero without a villain. And you do love being the hero, don't you. The cheering children, the swooning women, you love it so much, it's made you my most reliable accomplice." -- Lex Luthor to Superman, Question Authority, Justice League Unlimited
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