look up any word, like cleveland steamer:
 
1.
The subwoffers in your car make the block shake.
Dat shit knockin jo.
by Jerrel April 09, 2006
 
2.
The act of trying to convince a prostitute that you would be a better pimp for her than her current pimp. Succesful knockin' is called being "knocked" or being "knocked' out".
I see a lot of new Ho's here tonight, time to start knockin'.
by DJCHRIS73 February 28, 2008
 
3.
1.) extremely attractive; smokeshow
2.) awesome, cool
3.) To have a completely kick ass and awesome gym sesh by being a straight beast and making every other guy feel weak and vulnerable
1.) Dude, I went to that party, and that chick was grinding all over my dick. She was so knockin, bro.

2.) Bro, I went to go see that new Wahlberg movie with Timmy Hamilton, and that shit was just knockin bro.

3.) Dude, my gym sesh today was knockin, I made every other guy feel like a fucking pussy because I was shruggin the hundos like a boss.
by SuperBeast5000 February 21, 2013
 
4.
To hate on sumbody, for what they have
We went to tha club tha other night, homeboy was knockin.
by Primetime11 March 05, 2008
 
5.
When someone knocks and then opens the door, defeating the whole purpose of knocking first.
Guy: Dude, my mom tries to justify her barging in saying she knocked, but all she did was knock in. One of these days she's gonna catch me.
by TheMagicalHobo August 03, 2008
 
6.
To go up to someones front door and knock instead of calling or whatever.
by Anonymous May 10, 2003