CTFO

rude slang An initialism of "chill the fuck out," a way of telling someone to calm down. The initialism is used primarily in text messaging or online communications, such as forums, social media, instant messaging, etc. A: "Maybe you should wake up and realize that reality itself is a lie!!!" B: "Bro, CTFO. This is a thread about politics, not The Matrix." A: "Where are you? You were supposed to be home 2 hours ago!" B: "CTFO, I decided to get some drinks with the boys." Why are you fighting me, a stranger on an online forum, like this is a life and death situation? CTFO!