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1.
Used to refer to both good and bad 'fat' areas on a girl's body. bubble butts, thick thighs and fat tits are considered 'good' boot-buckle meat. Whereas, cankles, guts, cum-bellies, fupas, muffin tops and booty do are 'negative' uses of the word.
...Look at this bitch's ass.... damn she's got some boot-buckle meat...

...damn that bitch has some thick ankles.... ughh, she's got some extra boot-buckle meat around her gut
by Neal Leafbug January 19, 2011