the sound pattern made when all of your apple devices receive an email at the same time and are all on the same desk/room.
iphone, ipad, ipod all get an email and the ever famous email chime rings on them all milliseconds apart. this cadence of sound is the apple doorbell.
by translator of mumbles July 11, 2011
When having sex with a girl from behind, her forehead bounces repeatedly off the headboard, creating a knocking sound
by phatt wolf December 07, 2004
by Batman's_Best_Mate January 06, 2011
walking up behind a female who is sitting down in a chair and pull your dick out and lightly smack it against the side of her neck to get her attention.
by Alan Lenard November 25, 2007
by Chiccada February 17, 2005
I'm sick of people Doorbell Knocking. I heard it the first time, and just because I didn't get there in 5 seconds doesn't mean that they need to ring it again.
by Shockii September 04, 2011