Similiar to the Hoop Earring Theory. The size of the dog correlates the level of a woman's promiscuity. The smaller the breed, the higher level of promiscuity.
"Hey man, I met this girl at the dog park. She's got a chihuahua, and she seems into me."
"She is into everyone man, its the Small Dog theory."
"She is into everyone man, its the Small Dog theory."
by PhinTheHumanZ February 3, 2018
Get the small dog theorymug.