1. Portraying approval or acceptance. Often times used to enhance the effect of an agreement.
2. Used to portray disbelief or disagreement. Most often used after "For" or "Foh"
Her: Hey, did you deck out your office cubicle?
Him: For sheezyrously!
Her: Hey uh, last time I checked, your skin was transparent white. You realize this, right?
Him: For sheezyrously?