sister act

The act of two or more sisters engaging in sexual intercourse with one or more men, usually in a threesome or an orgy.

Ah, if only Brigid had a twin, we would totally get a sister act going in my bedroom.

by Robert Crumballs May 14, 2005

sister act

a feeling of total annoyance of the ingnorant ghetto wannabes around you

I feel totally sister act, those bageenies won't shut up.

by Anonymous March 17, 2003

Sister Act

Changing a religious hymn/carol's lyrics and beat to make it groovier, as seen in the movie "The Sister Act"

"Pentatonix really pulled a Sister Act on us"

by AlbyChu May 21, 2023

Sisterection

Becoming aroused from contact, verbal or physical, from one's female sibling.

I couldn't concentrate on my maths homework, as I had a sisterection from the family gathering.

by Moses "Sandals" Jackson November 13, 2010

sisterectomy

The act of removing a sister from your life, either physically or metaphorically. First used in the Simpsons episode "My Sister, My Sitter".

Simpson? Look, we've already been down there tonight for a sisterectomy, a case of severe butt rot, and a leprechaun fight. How dumb do you think we are?

by ubersmith May 17, 2016

Sisterationship

When 2 girls have a totally platonic love for each other. A bit like a bromance.

Alice: Oh, I totally love you girl!

Kerry: Yeah, same here!

Alice: We're totally in a sisterationship.

Kerry: For life!

by ALICEHARRIS July 9, 2011

Sisterectomy

The act of removing the bitch from your life cause the only time you hear from her is when she wants something!

I really need to get a "Sisterectomy" so I can have a real life!

by LibertyCreekDrunkChick October 11, 2018