Too legit to quit means you are determined and won't give up no matter what. It's a phrase made famous by the 1990s hip-hop group, MC Hammer, and his hit song of the same name. The phrase has become a popular catchphrase among pop culture fans and those who use it to describe their own determination to keep going in life, no matter how tough it gets. So don't worry, when you're faced with adversity, just remember that you're too legit to quit!