serioustest

(adj.) to be the most serious or supremely serious (duh.)

I am the serioustest person ever.

serioustest by Tien February 5, 2005

Fo' Seiousness 

Another wording for, "You're serious?"

A: Did you do your homework for class?
B: Fo' Seiousness?

Fo' Seiousness by Zane Neuschuler October 20, 2008

sexuousness 

the best indian professor's way of combining sexuality and sensuousness.

'your project needs to have a certain degree of sexuousness!'

sexuousness by ceakilburn October 26, 2009