if (one's) a day
if (one's) a day
One is at least a particular age (which is typically specified right before this phrase is said). Stu's been with the company for almost 30 years, so I bet he's 50 if he's a day.
See also: if
Farlex Dictionary of Idioms.
if one's a day
Fig. a phrase attached to an expression of someone's age. She's fifty if she's a day! I'm sure he's forty-five if he's a day.
See also: if
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
if one’s a day
phr. a phrase attached to an expression of someone’s age. I’m sure he’s forty-five if he’s a day.
See also: if
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
- if a day
- if one’s a day
- if he is a day
- if he's, she's, etc. a day
- if (one) is a day
- be whistling in the dark
- be going great guns
- French leave
- durance vile
- sticktoitiveness