English · Slang Attested

catholic twins

In real, traceable use. Part of the curated seed collection; community review is coming.

Meaning · English

Siblings born within twelve months of each other.

Where it’s used: Used American English

“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.

Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “catholic twins” mean?

Siblings born within twelve months of each other.

Is “catholic twins” formal or informal?

catholic twins is generally slang.

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