Catholic twins
English
Noun
Catholic twins pl (normally plural, singular Catholic twin)
- Used other than with a figurative or idiomatic meaning: see Catholic, twin.
- (slang) Siblings born within twelve months of each other.
- Synonym: Irish twins
- 2008, Shelly Laurenston, The Mane Attraction, page 139:
- “Aunt Sissy!” a young voice screeched, then Sissy was besieged by five kids who looked barely a year apart. What his mom would call Catholic Twins.