The reverse of road dome. The driver (generally a female) takes her attention off the wheel and gives the passneger, a male, a blow job. As the girl is preoccupied giving the blowjob the man controls the wheel to insure the couples safety.
Bro #1: Dude i totally got my girlfriend to give me doad rome on the way back from Canada.
Bro #2: Sick dude i tried to get my girlfriend to do that but she was being a total bitch.
Bro #1: Yeah dude, too bad the interior of my car is totally fucked up now, oh well it was worth the immaculate pleasure!