Green’s Dictionary of Slang

swaggery adj.

[lower-class version of swagger adj.]

smart, fashionable.

[UK]H. Baumann Londinismen (2nd edn).
[US]Altoona Trib. (PA) 24 Dec. 7/4: [advert] Women’s Silk Umbrella, with attractive swaggery handles.
Battle creek Enquirer (MI) 17 Feb. 6/6: [advert] Just Arrived! Stunning, Smart, Swaggery Suits.
[US]Newark Advocate (OH) 9 Mar. 7/5: [advert] Swaggery skimmer. . . an airy flicker of a dress to feel swaggery reckless in .
Billings Gaz. (MT) 2 Aug. 26/4: [advert] Ourpretty and swagger-y self-fringed Tartan kilt.