if he is a day


if (one) is a day

Used to emphasize that one must be a certain age. How does he keep himself looking so young—he's got to be 60 if he's a day!See also: if

if he (or she) is a day

at least (added to a statement about the age of a person or thing). 1992 Shashi Tharoor Show Business Lawrence must be fifty if he's a day. See also: he, if