A fork of Rural Dictionary
Measurement pertaining to the penis being 2/3 of a foot or eight inches long.
I am in the 2/3 club because my dick is 8 inches
The nontrivial solution to the equation a + b + c = a × b × c, where a, b, and c are positive integers—the sum and the product of three whole numbers are the same.
Besides 1 + 2 + 3 = 1 × 2 × 3, the numbers 1, 2, and 3 form the set of three integers such that each divides the sum of the other two, and their reciprocals show that the number 1 can be expressed as the sum of three unit fractions: 1 = 1/2 + 1/3 + 1/6.
A rule that states that if a food item sounds 2/3 good, it must be good.
Originated at a Taco Bell, whereupon the creator was deciding whether or not to buy a Caramel Apple Empanada. The creator had no idea what an empanada was, but caramel and apple made it sound 2/3 good. The Caramel Apple Empanada turned out to be delicious, and thus the 2/3 rule was born.
Indecisive customer: "What's fried chocolate guano?"
Friend of indecisive customer: "I don't know, dude, but it sounds 2/3 good. By 2/3 rule, you have to try it."