It's the kind of joke you'd expect from a past-it after dimmer speaker.
(
Enzyme is powered by sunlight,
Fri 28 May 2010, 15:36,
archived)
Also available from TribsCo Jokes division :
Halo Jen, Tongue Sten, etc.
(
Tribs 🦇 ↓ dn ʎɐʍ sᴉɥʇ ↓🦇,
Fri 28 May 2010, 15:40,
archived)
I'm switched on to this.
It brightens my day.
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FeralCatMan Unusual disease collector.,
Fri 28 May 2010, 15:54,
archived)