Deviacoustic Share definition Flag Acoustic music of a socially deviant nature. Coined by recording artist/composer TyLean to describe her own music. Between 10 and 2 is a deviacoustic album that strays far from the norm. Deviacoustic by Heather Yakabovicz October 3, 2008 0 0 Get merch Get the Deviacoustic mug. Buy Now — $32.95 See more merch