Biggity

[T]he captains were very independent and airy—pretty ‘biggity,’ as Uncle Remus would say.

"Oh, Jeff Wain!" returned the countryman slightingly; "yas, I knows 'im, an' don' know no good of 'im. One er dese yer biggity, braggin' niggers—talks lack he own de whole county."

“Aint you talking biggity. I bet you better not let your grandmammy hear you talking like that.”