planck time 

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.

planck time by i'malwayswrite November 14, 2007

planck time 

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!!!!!!!!!

planck time by i'malwayswrite November 14, 2007

plank time 

The smallest span of time able to be measured according to physics.

Dude1: "Did you know that plank time is the smallest span of time able to be measured according to physics? I learned it from urban dictionary."

Dude2: *BITCHSLAP* "You are such a worthless tool."

plank time by hiphopotato June 27, 2008

plank time 

smallest possible time that science NOW can handle
its the speed of light in vacuum passing one plank volume

errrrrrrrrr there are more plank time in one second than how many second since the big bang started

plank time by QSXDRFVGYHNJI November 22, 2021