"IDGAF" is a song by American singer BoyWithUke featuring Blackbear, released as the third single from BoyWithUke's album Serotonin Dreams on March 18, 2022. BoyWithUke co-wrote the song with Blackbear, and it was produced by BoyWithUke and Andrew Goldstein.
"IDGAF" was described by Billboard as "a gently heartbroken kiss-off anthem about moving on from a toxic ex, even when you're clearly still smarting from the breakup".