When a person has facial features so ugly, that nobody will have sex with them. Therefore, putting a dead end on their family tree.
Person 1: The reason why Katie won't go out with me is because of my ugly ass face!
Person 2: I think that's called "dead end genetics".
Person 2: I think that's called "dead end genetics".
by Ironic depression January 26, 2017

by Darkraven86 April 5, 2020

If she's been pulling a bunch of flowers out of the old Dead-End Street for the last 20 years then I don't think I'd be much good to her. But I know a man who would....
by Scary Hinge January 13, 2009

by 99 bottles of beer December 3, 2020

by Justicewithtacosandweed August 10, 2018

by Anonymous0375-03e7 March 25, 2010

by The Axolotl Queen July 5, 2022
