Born on the Fourth of July
A phrase used to describe a person whose bottom half of his body has been permanently paralyzed due to either a birth defect or an injury, just like the respective author and screen-playwright of the autobiography and film "Born on the Fourth of July," Ron Kovic.
Roy: Dude, I saw Ron the other day and he couldn't move an inch with his own legs!
Rebecca: Yeah, he was born on the Fourth of July.
Rebecca: Yeah, he was born on the Fourth of July.