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What's red and bad for your teeth? (sh.itjust.works)
submitted 23 hours ago by to c/dadjokes@lemmy.world
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A brick.

If this one already made an appearance on here, I'm sorry. Just got reminded of it while thinking about idioms for hefty books, in english I couldn't find any. In my first language we would say "it's a brick"

Alt version of this joke:

What's red and good for a cop's teeth?Correct! A brick!

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[–] 20 points 21 hours ago* (last edited 21 hours ago) (1 child)

What's blue and bad for your teeth?

AnswerA really, really fast brick!

ExplanationThe Doppler shift for fast moving objects moving towards the observer makes them appear blue due to the shortening light wavelength.

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