Being so certain of something, that you are willing to barter your soul with Satan.

A white man's for real or fo' shizzle my nizzle

to ensure, agree, or ask something, like for real or mos def

A celebrated, tri-weekly cartoon focusing on the lives of several elephants. It has been hailed for using repetition, irony, and smoking elephants to great comedic success. It is known as A.C.E. to its biggest fans.

Check it out, yo:

http://www.acertainelephant.com/ace-58.html#

Someone who is hurtin' or appears to be hurtin, for certain.

a phrase used by closet bigots to make reference to blacks, hispanics, or any other racial group the bigot dislikes; the phrase allows the bigot to get the message accross while maintaining a false facade of propriety

Someone's sexual orientation is without question bisexual.