mo Englisch:

a motor

That's right. At the least I wish they'd add one to the first floor as well ... Wait a mo! Why are you here!? "'Why' is obvious isn't it? It's so we can go to the toilet together."

Mmmmn ... maybe I'll have a hair of the dog. "Whoa, hold up a mo! Here, I cooked roast fish for this morning. You ought to be able to eat this OK."