1) Stands for Don't Give A Fuck. It's an acronym that let's you show how much you Don't Give A Fuck about anything.
2) Can also be adopted as a lifestyle. You live life, not giving a fuck about anybody or anything, you simply do you. It doesn't mean you are heartless or ignorant, it just means you don't tolerate dumb shit and have no fucks to give.
1) Chad: Hey did you here about Tyler getting married?
Dave: DGAF.
Chad: Huh?
Dave: Chad, I Don't Give A Fuck.
Chad: You're an asshole, Dave.
2) Dave lived his life by a simple code: DGAF. He lives life worrying about himself and not giving a fuck about any dumbshit he experiences. A common response used in his daily life is "I Don't Give A Fuck."
An extended period of time in which one or more individuals DGAF. Participants of a DGAFathon couldn't care less about the subject on hand, be it school or life. A DGAFathon occurs naturally when an excess of bullshit manifests itself without the danger of consequences haunting the victims.
<Noun>
A teacher that either dresses Dgaf and/or as a Dgaf attitude. These teachers are the teachers who let you text in class, talk, and listen to your iPod. If your lucky, your teacher willeven let you use his/her computer.