Green’s Dictionary of Slang

1. lively.

1904

Harrington & LeBrunn [perf. Vesta Tilley] I want to have a Chinese Honeymoon 🎵 He is so Jiggy-Jiggy, look at his piggy-piggy / Now, isn't he a real duck of a Chinaman?

2. (US) crazy, nervous, fidgety.

1929		M. Levin Reporter 10: With a flashing smile and a jiggy leg.
1933		Amer. Mercury n.p.: Jones broke up his furniture last night [...] He’s gone completely jiggy.
1998		Hip-Hop Connection Dec. 4: Hype Williams directed ‘Gettin’ Jiggy With It’.
2000		Hip-Hop Connection Jan.–Feb. 31: You can mix and match your jiggy New Yorkers [...] with Canadian experimentalists.

3. (orig. US black) sexually excited or exciting.

1999		Guardian G2 16 July 15: You are not going out and getting jiggy with some boy.
2000		Hip-Hop Connection Jan.–Feb. 14: The remixes are for when people are out and wanna get jiggy.
2005		L. Redhead Rubdown [ebook] I stared at the blonde on the wall, getting jiggy with the sports car.
2006		G. Malkani Londonstani (2007) 53: Maybe it’d [i.e. pornography] even help yo mum n dad, you know, get jiggy wid it.
2016		New Yorker 11 Aug. 🌐 Since ending a ten-year relationship this fall, I’ve been subject to several gropings [...] delivered by grownups, putative pals, not one of whom I even dimly considered getting jiggy with.
2020		Twitter 8 Aug. 🌐 Sure, didn't St. Kevin himself, when faced with a woman looking to get jiggy with it, in between beating himself with nettles and rolling in them for good measure [etc].

4. (US black) acting in a sophisticated, moneyed manner and looking the part.

1998		Eble Campus Sl. Apr. 6: jiggy – fancy, stylish, showy: ‘You have to wear jiggy clothes to be admitted to that club’.
2000		Ebonics Primer at www.dolemite.com 🌐 jiggy Definition: a guy who thinks he’s the bomb but is not. Example: That nig is jiggy, trying to rock that fake rolex.
2002		S.F. Bay Guardian 29 May n.p.: The backpack crowd is largely unconcerned with class distinctions, though aesthetics clearly do matter. Needless to say, most backpack hip-hoppers would rather be caught dead than called jiggy.
2003		Dizzee Rascal in Vice Mag. at Hyperdub.com 🌐 But isn’t there loads of US jiggy rap culture that’s really superficial?
2007		R. Milward Apples (2023) 106: A shy kid getting jiggy looks so out of place.