tardive dyskinesia: involuntary rolling of the tongue and twitching of the face or trunk or limbs; often occurs in patients with Parkinsonism who are treated with phenothiazine
dyskinesia: abnormality in performing voluntary muscle movements
tall oat grass: coarse perennial Eurasian grass resembling oat; found on roadside verges and rough grassland and in hay meadows; introduced in North America for forage