By Rob Lenihan Cryptocurrency has a series of words and expressions that the novice investor needs to learn. Are you a soy boy or a bag holder? Do you have diamond hands? And are you ready for the Flippening? As if cryptocurrency isn’t confusing enough already, the digital dough has spawned its own language. Given crypto’s history of wild rides, a lot of investors probably have words of their own they’d like to use — most of which have four letters. Language is an ever-changing thing, with words and expressions going in and out of fashion with brain-busting speed. Merriam-Webster recently sai…