when you knock on the door a certain way so they know its not the cops. the knock sounds like: dun,da,dun,dun(fast) DUN, DUN (slow). it was originially a theme song for a super hero i think. it's got a nice rhythm to it though.
by caitlin March 02, 2005
Nigg@, don't be ghetto knocking on my door. Who the f#$% you think you is? The police?!? Nigg@ please!!!!
by Two legit 2-Quit March 29, 2018