When having sex with a girl you turn her around like doing a doggie style but instead of inserting your penis you insert your nose in her ass and have her lick it afterwards.
Man, I just gave that girl a Dirty Justin. I don't know if my nose still stinks from her mouth or from her ass.
by Jorge Agnosti November 1, 2007
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The sexual act of moving from anal to vaginal or oral without cleansing your penis.
I gave her a Dirty Justin and she loved it.
by doubledeep June 3, 2021
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A Teenage boy singer who sounds like a 10 year old and still hasn't hit puberty. Although a few years ago he got hit by a water bottle. LOL
Justin Bieber was hit by a water bottle.
by Extreme_Z7 February 27, 2012
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How you spell "Justin Bieber" if you want to annoy all his little 10-year old fans (aka his only ones).
If you don't know who justin bieber is by now, consider yourself lucky. Never force yourself to listen to his music. If you do, they will come for you & try to convert you. Even though he completely sucks.
what will happen if you use this:

You: Justin Beiber.
10 year old: 0MGZZZ UR N0T A R3@L F@N U DiDN'T SP3LL HiS N@M3 RiGHT U R LiK33 { T0T3SSS } ANN0YiNG. G3T @W@Y FR0M HiM!!!!!!!
by 1234567890qwertyuiopasdfghjkl January 27, 2011
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A talentless little gayboy who sings about girls all the time to cover up the fact that he's a homosexual. He says the word shawty way to much and likes to pretend he's black and gangster even though he is essentially whiter than sour cream.
FanGirl: OMG i love Justin Beiber he is so talented and hot. I will marry him one day. Me: He is not hot and if you ever do end up marrying him which I doubt then there is a very high chance he will one day leave you and your children for a man.
by AnarchyGirl March 28, 2010
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-The coolest mother-fucker on the face of the earth. In the Spanish Language, Justin means cool. Lefkowitz means mother-fucker. Just combine the two.
by Justin Lefkowitz August 4, 2007
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