Neither one knows how to whistle!
Edward Snowed-in
You just put your lips together and whistle
There was a face off at centre ice.
So she didn't whistle on the way down.
So they won't whistle on the way down.
Chimney Cricket!
Because it helps them remember which end they need to wipe.
To prevent them from whistling.
So they don't whistle on the way down.
Because dogs can't whistle. (X-post from r/dadjokes)
Because they can't whistle!
