Top Definition
2) In physics Planck time is the unit of time in the system of natural units known as Planck units. It is the time it would take a photon travelling at the speed of light in a vacuum to cross a distance equal to the Planck length.
The average life expectancy of a human is approximately 3.9×10^52 Planck times.
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by i'malwayswrite October 27, 2007
1) The moment when it is appropriate to chow down on some plankton...or a wood plank...whichever is your fancy.
It's planck time!!!!! Everybody make like a jump back and get into the ocean woooooooohooo!!!!!!!!!
#plank time #plank #time #planck #time of planck #plink #plenk #plenk time #plink time #plank thyme
by i'malwayswrite October 27, 2007
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