sternoplydomastoidus Share definition Flag one of the supporting muscles in your cheek. Ouch! My Sternoplydomadtoidus hurts because I was laying on it to long last night! sternoplydomastoidus by little_girl09 March 8, 2003 0 0 Get merch Get the sternoplydomastoidus mug. Buy Now — $32.95 See more merch
