All cats are called Puss, because... well *thinks* because they just ARE, that's why *g* Let's see what Wiktionary says: "From a Common Germanic word for cat. Akin to Dutch poes "puss, cat", Low German puus-katte, dialectal Swedish kattepus, Norwegian pus. Found also in several other European and Western Asian languages."

And it is the duty of a ram to swive or couple with his ewes - for why else would you keep a ram? - I suppose that is what Jack means anyway - he is not sure whether rams are called Roger because they roger, or whether the word comes from the name :-)