Informal A state of elation or great happiness: was on cloud nine after winning the marathon. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "cloud nine" in a sentence
"The shvartzes got to fly to cloud nine on white powder airlines."