[1980s+] outrageous, esp. when extremely sexy.
[1980s+] (US) sexually alluring footwear, usu. as worn by a woman, and thus featuring high heels.
[1980s+] (US) flirtatious, sexually encouraging stares or glances.
[1970s+] any form of female footwear, typically high-heeled and strappy, seen as provocatively sexy, rather than practical.