I didn't realize that "prolly" was just a typing thing. My family has 3 English majors in it and we constantly goof around with words. We've said "prolly" as long as I can remember but only in casual situations. We also "irrigerate" the lawn and use "oderarm deunderant." We have a unique grasp of the English language. And, for the grammer queens out there, please notice that I said "unique" not "very unique" so you can't get me for that. That's my pet peeve!