Fresh off of his war of words with Drake, Kendrick ... "The Pop Out" is a reference to a lyric from Lamar's "Not Like Us," where he raps, "Sometimes you gotta pop out and show n-s / Certified ...

When hip-hop lyricist Kendrick Lamar said “sometimes you gotta pop out and show,” he meant it ... I know he didn’t buy them. I’m like, ‘What’s going on?'” He bluntly pointed out ...