1) Acted Bossy 2) Acted bullish 3) Bellowed like a bovine 4) Bellowed like Bossy 5) Called across the field 6) Called for bull 7) Called on a farm 8) Called to a calf 9) Copied a cow 10) Copied cattle 11) Emulated a bovine 12) Emulated elsie 13) Exclaimed like a bovine 14) Greeted the milkmaid 15) Groaned like a Guernsey Found on https://www.crosswordclues.com/clue/mooed