A standard unit of measurement equal to the amount of effort Hugh Hefner must put into acquiring new romantic interests.
Also useful for measuring the work done by an atomic nucleus on captured electrons, with a Hydrogen-1 atom exerting approximately 1.43 KHefforts per second.
Nerd 1: I wonder how much work it takes to lift this pebble from the ground up onto this wall? This seems like an interesting problem to occupy our superior minds!
Nerd 2: Not likely. The problem is so simple. Assuming a weight of thirty grams, and a height of approximately one meter, the answer clearly comes to 1.35 x 10^43 Hefforts.