Definitions by TG brewing co.

Seth's Theory 

Once a man cums inside of a woman, she becomes attached for life. This causes societal problems.

"Dude, she will NOT stop texting me, and calling me!"
Seth: 'did you cum in her?"
"Yeah"
Seth: "there's your problem bro" its all about "Seth's Theory"

Seth's Theory by TG brewing co. March 17, 2011