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Somebody who is strong and good in a fight; a beastly person.
These guys started shit with us, and my friend Mike knocked out all six of them. He's a junkyard dog.
by George February 23, 2005
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Jul 28 Word of the Day
to sport a boner, fly the sail at full mass, rock hard, etc.
"I had a lot of cartoon characters that used to get me sexually aroused as a kid... The female reindeer from the Rudolph claymation series, when I was in preschool, I used to be bricked up watching that shit." -Jack Harlow
by real_philly February 11, 2020
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2
just skin and bone and cock
Man, do you see jimmy; that fucking guy is like a junk yard dog .. “ all skin and bone and cock”
by Slusss6969 February 06, 2018
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3
A car, usually late 60's-70's era American muscle car, that is left in primer, and built up to beastly proportions, giving it a rough, loud, aggressive presence.
"My friend's 500 horsepower, primered '70 Chevelle is a real junkyard dog..."
by CeeCee666 June 30, 2009
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4
1. a particularly vicious and dangerous dog, especially one chained up as a result of it's attacks

2. a particularly vicious and dangerous person

(dogs of such a temperament are frequently used to guard junkyards in movies)
If I have to deal with that junkyard dog again I will give it's owner a piece of my mind.
by The Return of Light Joker July 25, 2009
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5
is a paid political operative, an attack dog on a leash. A Sunday morning talking head. yelps about the virtues of the Democratic faith.
by Liberal killer December 25, 2009
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6
Overly teethy aggressive penile oral stimulation.
Damn, Kathy, you were on it like a junkyard dog.
by ToeBang January 24, 2017
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