Dirty Brajan is a disease which is highly contagious and effects the asshole usually after anal sex.
Symptoms include: Dry and itchy anus
Karen: do you want to go out shopping?
Susan: can't, I have the Dirty Brajan.
Karen: ah yes, I feel your pain.
When a big guy is fucking a tiny guy in the ass and the little guy moans : "Oh my days"
"Jonathan did a dirty Braine yesterday!"
When a man has anal sex with a woman, then titty fucks her leaving a skid mark between the breast.
Hey Dude, did you fuck your wife in the ass, then titty fuck her leaving a dirty runway?