When a person punches in motion at nothing particular, preparing for a fight or physical fitness.
Rocky is well known for his Shadowboxing!
by Strong Chuy July 14, 2009
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Original: Shadowboxing is an exercise used in the training for combat sports, especially, as its name implies, in boxing. It is used mainly to prepare the muscles before the person training engages in stronger physical activity. In shadowboxing, only one person is required to take part; the participant throws punches into the air at no one in particular or an imaginary opponent.

Slang: The act of being evasive, vague or non-forthcoming with information.
Maria just flat out asked Carl if he was cheating on her and he immediately started shadowboxing. He told her everything except the truth.
by Who 'Dis? Who 'Dat? March 13, 2018
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A theatre-cabaret built for Rock 'n' Roll music, and sketch comdey. Essentially the same as SNL, but rated R.
Columbus, OH.
Newport, KY.
DUDE! We're going to Shadowbox later, wanna come?
by Llama McElvis September 2, 2007
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Shadowboxing is the act of jacking off, skeeting, spanking the monkey, beating off, or choking the chicken in your rack with the curtains are closed and when you have a light on in your rack. Then a shodow of you beatin your meat is dispalyed for everyone who happens to look and notice it to see.
Morrow-"Norton...quit jacking off while looking at porn at night. we could see the shadow of you beatin your meat. quit fuckin shadowboxing."

Norton-"Fuck...how the hell can you see through those curtains!"

Morrow-"Norton the shadowboxer."
by Norton1987 June 15, 2008
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Coined by a couple of teenage girls from California, Shadowboxing is basically a much nicer word for dry humping.
Giggly Teenage Girl #1: So, did you guys have sex?
Giggly Teenage Girl #2: No, but we shadowboxed.
Giggly Teenage Girl #1: Bet that was fun.
Giggly Teenage Girl #2: It totally was. I accidently called him Jude, though.
by Natalie December 30, 2005
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A white male who only engages in intercourse with African-American women.
Sutter has brought home 5 sisters this past month, I think he has turned into a shadowboxer.
by Tylersdad January 20, 2019
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someone who claims to be your friend, but is never actually there for you. like a shadowbox, this person (or people) are more like a hollow shell and no substance than a real person.
Person 1: man, i just had a huge fight with Sammy.
Person 2: why?

Person 1: she claims my personality has changed, but how would she know? she's never around anymore.
Person 2: what a shadowbox friend.
by anonymou53 March 6, 2010
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