Think people that use or say #hastags are dorky? Well, you're probably right. But the comedic duo of Jimmy Fallon and Justin Timberlake found a way to make it hilarious with one of their latest classic skits during Late Night with Jimmy Fallon.Check out how Fallon and Timberlake found a way to make #hashtags funny and show us how dumb we sound all at the same time when we use the word hashtag in a sentence.