see head in the clouds.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use in the clouds in a sentence
At last the day had come, and the children were to leave Camp-in-the-Clouds.Little Busybodies | Jeanette Augustus Marks and Julia Moody