sho-lo, n. — Green’s Dictionary of Slang

sho-lo n.

[short on top, long in the back]

(US) a ‘mullet’ hairstyle.

2001		J. Stahl Plainclothes Naked (2002) 139: The rookie snipped away at what he called his ‘Sho-Lo.’ (Short in the front, long in the back).
2002		fridgedoor.com 🌐 Five magnets depicting Mullet classics including (from top left) the Kentucky Waterfall, the Shorty Longback (Sho-Lo), the Tennessee Top Hat, the Mudflap and the Squirrel Pelt.