sister act
In real, traceable use. Part of the curated seed collection; community review is coming.
Meaning · English
group sex involving two or more sisters (female siblings of each other) with one or more men.
Register: slang
Where it’s used:
Used
American English
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “sister act” mean?
group sex involving two or more sisters (female siblings of each other) with one or more men.
Is “sister act” formal or informal?
sister act is generally slang.