ynbc
Generally stands for "yeah nobody cares." It is often found following statements of which no one on the face of the planet would care about or excessive e-peen. For those not into the whole brevity thing, "yeahnobodycares" may also be used. Capitalization doesn't really matter (i.e. ynbc, Ynbc, YNBC, yeahnobodycares, YeahNobodyCares).
Guy #1: Wow, I just did something awesome!
Guy #2: ynbc
Guy #2: ynbc
YNBC
Youth Networking Business Committee of Asia-Pacific Region. YNBC is a nonprofit organization, its mission is to provide a platform for promoting the vital role of the businessmen in the region, increasing regional business interaction, enhancing regional economic growth as well as establishing an international network of professional relations.
YNBC was founded in the Republic of Korea, as a result of joint efforts to answer the calls for the development of youth business entities, as well as to advance its members' growth and prosperity by offering trade and investment opportunities.