Another thing that people sexually identify as.

What happened when god had an off day.

A strange fail of nature. As god was creating a beaver, a duck was standing on top of the beaver and they became morphed together, thus creating the platypus. (I think.)

A couple where one of the two individuals is clearly out of the other person's league.

A waterfowl, with a variety of species, most-namely, the duck-billed.
A noble creature, that no one would ever make fun of except for Kevin Smith, like when he had nothing better to say at the beginning of Dogma.

The sped of the animal kingdom... A semi-aquatic duck billed egg laying poisonis mammal...

A simple statement meaning both good and bad at the same time, as made popular in the practice of whaleism.