A combination between probably and possibly, used to indicate the likelihood of an event or decision, more than possibly but less than probably.
Are you going to clean the toilet? Prosably, because I know it needs to be done, but it'll only get filthy again.
by Pareeha2 May 7, 2006
If your girlfriend doesn't want to move where you live, there is a high prosability that you will move to where she is because you are pussy whipped.
by Nadgar February 18, 2014
A combination of the words possible and probably. A balance between uncertainty and a strong confidence.
by siraction October 28, 2015