While receiving a blowjob, continuously hitting and/or scraping the top of the giver's mouth.

The act of climbing atop roofs, usually illegally, as a pastime.

The act of having sexual intercourse on a rooftop with at least one partners head dangling off the edge.

The act of being on another's roof. Usually in a down town area, where roof swapping is a possibility. It is always illegal, and if it isn't then it's not roofing, it's being on a roof with permission.

to masterbate and cum on a girls back and rub it in

The act of a drunk group of lads lifting a fat bald guy above their heads and trying to press him into the ceiling.

The act of jumping off the roof of a building into a body of water, usually while performing mid-air stunts and/or tricks.