five o'clock shadow
or five-o'clock shadow
the rather dark stubble that appears on a man's face some hours after shaving, typically in the late afternoon if he shaved in the morning.
Words nearby five o'clock shadow
Origin of five o'clock shadow
First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019