sweat of one's brow
see by the sweat of one's brow.
What Does 😅 Grinning Face With Sweat Emoji Mean?The grinning face with sweat emoji is used to indicate the particular kind of relief experienced after narrowly avoiding disaster.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.