An informal way of greeting a man or boy. Usually it's friendly and complimentary.

It sometimes has a sarcastic tone, implying it's time to take him down a notch.
Hey there, big guy, you and me gonna drink some beers or what?

(sarcastic)
Hey big guy, watch where you put that thing.
by vanilla g-lotto December 20, 2004
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street slang for an oxycontin 80 mg extended release pill.

slang for an OC80 on long island, new york.
user- "lemme get a big guy"
dealer- "i got u..45 bills"
by thatOCguy February 23, 2010
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A code name used to hide the identity of a recipient of a large sum of money from a communist regime.
I would like ten percent of funds to be allocated to ‘the big guy.“
by Sweetness8675309 October 22, 2020
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