Definition of "nac" []

• A council consisting of permanent representatives of all the member countries of NATO; has political authority and powers of decision (noun)

WordNet. Princeton University. 2010.

• "Lavin was hurt on a jump, called a "nac nac," that friends say he's performed hundreds of times; he was unable to get his feet on the pedals before landing."
• "It was said that the 33-year-old was trying a nac nac combination over the second set of the dirt course, but he lost control of his bike and crashed to the ground."
• "Seriously though on the day of I'll say "can I have a ticket for nottoB fo esaC suoiruC ehT" navI. fo eltit eht daer nac I retsop a yllaniF edog"