Top Definition
Two people involved in a romantic or sexual relationship. They aren't blood related, but are so close in kinship or friendship that they might as well be. This could include step-family, family friends, god-siblings, etc.
Person 1: "Andy, just get with Sandy already. What are you waiting for?

Person 2: Ew, man! We've known each other since the first grade. That's like kincest.
by Cicinotouch December 21, 2013

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt