craigslisting a photo of your penis and then having the respondents ring your door bell at a mutually agreed upon time for gay sexual exploits. Requires one to serena in advance in order to have a clean recepticle.
Tony had to leavethe gang early because he had door bell trade scheduled at 3:00 and he needed to serena first!
know that lazy person who pulls up to the houseacross the street and honks thier horn at 7am on a saturday to let someone know they're there. ala the mexican door bell.
Noun—A San Francisco Door Bell is an advance warning text message sent in lieu of actually knocking upon someone's door. Particularly useful on the steep hillside residences of San Francisco.