Top definition
The idea that smaller breasts are better for playing with, especially for the person being touched. This phenomenon occurs because all breasts have the same amount of nerve endings, meaning that smaller breasts are more sensitive over less of an area.
Kyle: "Bro, why are you still dating that girl? She got them small boobs."
George: "Haven't you heard of The Manning Principal? Smaller ones are better!"
by Albert Manning January 07, 2015
Get the mug
Get a The Manning Principal mug for your dog Larisa.