“Donna, I don’t-“
“The stick turned blue,” she says.
“The… stick… turned… blue…” she says, enunciating each word very carefully.
The Doctor blinks. “The crow flies at midnight,” he says after a moment.
“Oh sorry, I thought we were speaking in some sort of code.”
– Million Dollar Baby by pocketmyriad
I laugh everytime I read that. This is why I love fanfiction.