Catholic twins
Noun
Meaning
(slang) Siblings born within twelve months of each other.
Synonym: Irish twins
Used other than figuratively or idiomatically: see Catholic, twin.
Source: en.wiktionary.orgNoun
(slang) Siblings born within twelve months of each other.
Synonym: Irish twins
Used other than figuratively or idiomatically: see Catholic, twin.
Source: en.wiktionary.org