Swerve and perv is when someone is driving and takes his eyes off the road in order to check out girls that are in another vehicle or walking on the sidewalk. This results in the car swerving while he is perving.
"Dude you almostcrashed into that car! You gotta stop with that swerve and perv!"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi