1) Affected by a poisonous weed 2) Caused to go crazy 3) Made insane 
horses and cattle become addicted to the eating of Loco weed, thereby causing the victim to become thin; with injury to eyesight, muscular control and brain; causes an abnormal growth of hair on the mane and tail of horses - on cattle an extra increase of hair on flanks.
• (imp. & p. p.) of Loco