1. a measurement of taste as it relates to ass. Ass factors range in severity from 0 to 10 where 0 is tasty and 10 is absolutely nasty. An ass factor of 5 is generally considered to be the transition from palatable to unpalatable.
Origin: The term "ass factor" originated from a hiking trip in Fundy National Park in 2009. The term was adopted by the group to describe the edible wild plants being collected and tasted.
Gee, this Clintonia Borealis is pretty good. I'd say that it has an ass factor of about 2.