if he/she is day
Definition of if he/she is day
—used to say that someone is at least a certain age The man she's dating is 60 if he's a day.
Word by Word Definitions
: the time of light between one night and the next
Seen and Heard
What made you want to look up if he/she is day? Please tell us where you read or heard it (including the quote, if possible).