Different dialects: tell us about the unusual American words you use

Whether they were introduced to you by family or friends, we want to hear about the distinctive American words in your vocabulary If you live or work in America, what do you call a fizzy drink you buy during your lunch break? Is it soda? Maybe it's pop? Or perhaps it's a soft drink, or a coke (even if it's not actually Coca Cola)? Related: British Library project discovers two new words - thanks to Guardian readers