sincerious 

A combination of sincere and serious. The realest of real.Handling yours and being unabatable or unstoppable. On top seeing nobody above you.

Kanye West's tracks and lyrics is so sincerious. Menh he aint playing bout making his paper he sincerious wit it. 10/20/05

sincerious by AnnonymousTipz October 21, 2005

Sincerious 

Having genuine sincerity (Comes from "serious" and "sincere") (Created by rapper Mos Def)

I told her I was sincerious in my apology.

Sincerious by Curtis Meyer March 13, 2008

Sincerious 

Sincerely serious.

I am sincerious when I tell you that I am horribly sorry I killed your dog, it was an accident!

Sincerious by Jody Carlisle November 8, 2010

sincerious 

A combination of sincere and serious. For when you are seriously sincere.

Are serious dude?

No. I am sincerious.

sincerious by Fukt Up October 6, 2009

sincerious 

Being sincere and serious at the same time.

Jimmy: Yeah, RIGHHHTT.

Tom: No, I'm being sincerious.

sincerious by nesbolin July 10, 2009

Sincerious 

The combination of Sincere and Serious.

Dawg, I'm so sincerious. That shirt is hot.

Sincerious by Brandon Brockman April 7, 2008

Sinceriously 

1. The ability to speak freely, openly and honestly about anything; if you're going to say something, say it sinceriously.

2. To initiate any action while spreading as much good karma as possible.

When I say this I say it sinceriously.

I'm going to sinceriously raise as much money for charity as possible.

Sinceriously by Gingey87 January 17, 2015