A variation of porno. Decribing pornographic video, usually of a homosexual nature. Born out of idiocy, IE a person thinking the word was 'pornal' instead of porno, haha.
Go and watch your man pornal.
1. of or relating to porn
2. a journal specifically designated to porn
"her pornal instincts allowed her to comfortably masturbate in front of her friends"
"this weeks entry in my pornal was a graphic description of cunnilingus between three female orangutans"