Of disputed origin: possibly from the Noongar Aboriginal word 'kiley' meaning boomerang, or an Australian diminutive of Kyle; propelled globally by singer Kylie Minogue.
Nicknames
ky
Vibe
strong
How it ages.
Had a major peak in the late 1980s through 2000s following Kylie Minogue's rise; softening but still viable.
The cultural moment.
Huge in Australia and the UK from the late 1980s through 2000s; still in use but past its peak.