He tilted his head at her, not entirely sure what she meant, for a moment. Damn not having his psychic abilities, here, and having to actually guess at ridiculous things like context.

"It's just an accent. Came with the regeneration. I never really know what I'm going to get, the last one was a bit more posh." He drops into a passable Hollywood-American accent. "I could sound more like you if you really wanted me to, but it takes effort, and really, it's a pain, so I'd rather not."