Walking up to your friend's door and calling their cell (from your cell) to be let in. This is often because you're both lame hipsters living in cheaper apartments/
The front buzzer hasn't worked for years. Just use the hipsterdoorbell and I'll come down to let you in.
Armenians that drive over to a friends house, refuse to leave their vehicle and honk their carhorn until the person comes out of their house, thus waking the entire neighborhood.
When someone is too lazy to get our of there car and ring the persons bell, so they double parkon the side of the street, and honk there horn till the person comes out.
when you're having really reallyboring sex with a chick and, just to liven things up, you repeatedly finger her ass with short sharp strokes. not for her enjoyment, but for your own amusement
Tom: howda get on with Amy last night?
Steve: utter nightmare, she just lay there like a sack of potatoes, so i gave her the atomic doorbell!
Tom: good work
Sara: When is Chad coming to pick you up?
Beth: He should be here any minute.
(random ringtone for text alerts)
Beth: Oh, that's him now!
Sara: How did you know?
Beth: He texted me. You know, geek doorbell.