I grew up in Tennessee and said Pop. While in the military and bunking with a lot of New Yorkers I switched to Soda and it's been soda ever since.
Dude is a part of my vocabulary that I should probably ditch. Dude and Dudette!
My daughter's favorite word is like. "It's like she can't like, you know, finish a freakin sentence without saying like and it's like totally driving me crazy!"
Tiki