What's going on?
What's that got to do with it?
What's that mean?
Used as a stand-in to collectively pluralize arbitrary instances of things. Often used along with whys, hows, etc.
swath, SWATH, thaws, washt
The numerical value of whats in Chaldean Numerology is: 1
The numerical value of whats in Pythagorean Numerology is: 8