sibcest

Incest between siblings in fanfiction. Siblings + incest = sibcest.

For example Éowyn and Éomer in lotr.

by brat July 3, 2004

Sincastic

Where someone is both sincere and sarcastic at the same time.

'Well, thanks for that!' He said in a sincastic manor.

by NiallGee July 22, 2012

sinester

What people say when they can't spell "Sinister"

bruh, I just saw Sinester 2

by DrSkelly July 8, 2016

Sinester

A single empty-nester. An individual who is, typically, divorced or widowed who children are grown and have left the nest.

Her Match profile says that she is a sinester and has a flexible schedule.

by RareDan August 1, 2018

Sincostan

A word that is created on a calculator

You Sincostan son of a bitch

by Oakous May 22, 2019

Swincest

The act of incest between two people with the last name of Swinney!

Guy- "Hey Swinney, I'd totally have sex with your sister!"
Swinney- "So would I!"
Guy- "Dude! Thats Swincest!"

by Swinston January 24, 2011

sincostan

same meaning as disgusting.
here's the word evolution:
disgusting -> discostan -> sincostan
and like maths and physics, it IS sincostan.

ew, that's sincostan

by kimseokjin1204 October 31, 2019