ghetto knock 

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.

I don't think people really call it the ghetto knock, they just do it out of habit.

ghetto knock by caitlin March 1, 2005

ghetto knocking 

Knocking hard on the door like you da police!

Nigg@, don't be ghetto knocking on my door. Who the f#$% you think you is? The police?!? Nigg@ please!!!!

ghetto knocking by Two legit 2-Quit May 17, 2018