Wikipedia:Articles for deletion/RUOK
A google search for RUOK shows it seems to have been adopted by several police departments. Also an album http://www.amazon.com/gp/product/B00006L5EL/102-9974139-1184108?v=glance&n=5174 by Meat Beat Manifesto that appears to meet 
— User:the, 12:02, 23 March 2006 (UTC)
Stance: keep
Cited policy: WP:MUSIC (Wikipedia:Notability)