There’s always the Jewel Cooler:

There’s always the Jewel Cooler:

For those wondering, this played out well! OP found someone to take the job. His wife bit on the prank gleefully, was actually thrilled by the idea that OP had a son he didn’t know about. When the prank was revealed, she thought it was hilarious. Ultimately pretty wholesome, OP married a keeper.
I’m an
ls -alhguy, myself.