Don't forget to add "being pedantic" to your list!

. I guess most people can answer with their job

Yeah I was going to make a pithy joke about my job, but note that having any skill in a field that's at all niche puts you well above the average.

I am exponentially more experienced at swimming than the average person.

I'm actually a pretty average swimmer, so in this case the exponent is zero.

This is my biggest pet peeve. One data point can't be exponentially more than one other data point without context.

If people still want to sound "smart" because they used a fancy math word, you can say "orders of magnitude more experienced."