That's what Bieber said Share definition Flag Similar to That's what she said jokes, used when someone makes a feminine remark. Sally: Ugh, I have to go change my tampon John: That's what Bieber said That's what Bieber said by Mcnutsackzach December 21, 2010 0 0 Get merch Get the That's what Bieber said mug. Buy Now — $32.95 See more merch