Adjective used as vocative to denote affection, either real of fake. Abbreviation of "primo carnal" which is first cousin in Spanish, to denote that you consider the other person as part of your close family.
When a woman you've picked up at a bar (or elsewhere)or at the end of a first date has sex with you and tells you "I never do this," when you are just pretty damn sure she's full of shit.
Nicole took me back to her trailer, got undressed, and commenced telling me the carnal lie. At the time, I really didn't mind.
"Carnal embrace is sexual congress, which is the insertion of the male genital organ into the female genital organ for purposes of procreation and pleasure." -Septimus (From Tom Stoppard's Arcadia)
The dried up food crumbs, dirt and boogers commonly found between seat creases and console crevices in automobiles. Collectively referred to as "carnola."
When the soccer mom retrieved her cell phone from underneathe the mini-van passenger seat, it was covered covered in carnola.