Sencious 

Since you are

I told my old lady, Sencious up get me a beer!

Sencious by Dima December 3, 2003

Sentious 

Sentious a three compound word deriving from back woods of any Southern State ( since you was)

Sentious up honey grab me a beer.
Sentious awake come give me some of dat booty

Sentious by Kajungirl228 June 7, 2017

Serciously 

A word made by "really smart" people named Andrew, for no apparent reason as a response to the word Indubitably (which means indeed). Clearly a typo of seriously.

Person #1: Dude that's serciously the coolest thing ever!
Person #2: Shut the fuck up you douche canoe.

Serciously by CaptainTwahtWaffle January 28, 2013