Grates my goat Share definition Flag A phrase which means to 'annoy' 'irritate' or which shows a general dislike. Another version of Grates my cheese. "You know what grates my goat? That guy at work who eats like a horse." Grates my goat by Danjanon July 21, 2009 0 0 Get merch Get the Grates my goat mug. Buy Now — $32.95 See more merch