CrooNot Share definition Flag 1. A karaoke crooner...NOT! 2. Someone who sings karaoke and can't carry a tune in a bucket! " Man....here comes the CrooNot again" CrooNot by SunGoddess June 22, 2007 0 0 Get merch Get the CrooNot mug. Buy Now — $32.95 See more merch