A hunting term which refers to a very young male deer whose antlers have not yet fully developed.
Billy Bob, "Yee haww! I done shot me a trophy deer!"

Jim Bob, "Whatchu yappin bout boy. That ain't no trophy. That there's a tiny button buck!"
by Thairican January 3, 2009
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A guy who has a button penis and is out hunting doughs... is called button buck. a dude with smaller than a mushroom penis is a button buck..
That guy acting like big shot trying to fuck with peoples womens lives ended up being a button buck ...
by assole magnet February 14, 2021
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