The term 'Has a Cow' is an idiom that means to become very angry or upset. The crossword solutions for this term are CALVES (6 letters), Freaks (6 letters), and Goesape (7 letters). CALVES are young cows, so this solution is referring to the idea of having a cow in the literal sense. Freaks can mean to become very angry or upset, which is the same meaning as the idiom. Finally, Goesape is an old-fashioned phrase that means to become very angry or upset, again with the same meaning as the idiom.