Reminds me of Tom Swifties. For instance:
Harry placed the hat on his head, as he'd done during the sorting ceremony. "You should remember our earlier conversation," Harry reminded the Sorting Hat.
Heh, took me a bit to get that one (for those as dense as me, the pun is in "reminded").
Update: This post has also been superseded - new comments belong in the latest thread.
The second thread has now also exceeded 500 comments, so after 42 chapters of MoR it's time for a new thread.
From the first thread: