look up any word, like cunt:
 
1.
It means I Don't Give A Fuck Anymore.
Teacher: Dude, your falling behind in math now.
Student: IDGAFA
by Xcrave September 23, 2010
 
2.
I Don't Give A Fuck Attitude
I'm writing Science, Chemistry, IT and Accounting, and I haven't really studied. But I have my IDGAFA on.
by Chums June 13, 2013