Quote Originally Posted by Taffy_is_a_Taff

I've got to give her credit for her persistence, but still what a cow. It's not my fault if I found the only toilet on the train that wasn't covered in the mess of other people's toilet going.
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...which you then used for a fifteen minute hangover crap.

What took you so long mate, I always find the Guinness helps things along right speedily....

Anyway, to answer the question, a sort of wordless noise intended to convey the meaning of "yes, I know you are there, but I'm busy, and in any case I'd give it a few minutes if I were you." Method acting, you know.