heifer /ˈhɛfə(ɹ)/noun 3forms 1phrases 1 noun3 •A young female cow, (particularly) one over one year old but which has not calved.We must be neat; not neat, but cleanly, Captaine: / And yet the Steere, the Heycfer^([sic]), and the Calfe, / Are all call'd Neat. — 1610 •(slang, offensive) An unattractive or unpleasant woman.I have half a mind to marry that heifer, tho' wives are bothersome critters when you have too many of them. — 1853 •(no longer used) A wife.Her, whom I shall choose for my heicfar. — 1609 formsheifers Phrases with heifer plow with one's heiferTo have an affair with another man's wife or to deal with the wife in order to obtain something from her husband.