Howls of derisive laughter, mate?

I was having a discussion with someone online about Dawkins and so forth, and it all seemed quite reasonable and rational - lots of mutual incomprehension, but that's par for the course.

Things took an unexpected turn suddenly when the question of whether it is more likely the T-rex's on Noah's Ark would be babies rather than full-grown was raised.

He's got to have a twinkle in his eye, a tongue in his cheek, hasn't he?

It's times like these when words on a screen aren't enough to discover intent.