The nickname for the sorority Chi Omega. Chi O's are discrete, desirable, tactful, polite, and fun. They are always the classiest girls on every campus. All the guys want to be with a Chi O, and all the girls want to be a Chi O.
Tommy: who's that really cool hot girl?
Jimmy: that's a chi o, duh
The Purpose Of Chi Rho Omicron shall be to promote the understanding, enrichment, and appreciation of the Pilipino Culture, history and heritage through a brotherhood/family environment, to instill the desire for self improvement, scholastic excellence, and the cultivation for a civic responsibility.