A french Canadian woman that loses her mind when things don't work out like she wants them to. Symptoms include growling, slamming of doors and general french rambling goobledygook.
A pompeuse can also be a french expression for a felatious woman (see chikenhead in ebonics). But it does not matter as either representation of this word all lead to French Canadian women sucking. It is derived from the french word pompe, which means to pump.
1. A duality of inference suggested by the perception of third party observers of a relationship as it abuts the perspective of those directly involved. E.g. its usage in the Steve Miller Band song entitled "The Joker"
2. A thick milky or yellowed discharge from the penis during coitus in those with severe gonorrhea. May dry and crust in the pubis post coitus, see cock nugget
1. Phill: "Mark, I feel that your relationship with Stacy is unhealthy. I strongly urge you to treat her better.
Mark: "Yall don't know me!!"
2. "Hey honey, did you cum yet, or is that just a little bit of pompetus?"
When someone says or acts like he or she knows everything and can do everything while this is clearly not the case. Usually the action fails or their statement is wrong.