A penis carved from animal bone, with two wings on it, is described as "a common motif in Roman times." Further details at the Science column at NBC News, via The Oddment Emporium and Ego is a Rat on the Sinking Ship of Being.
Photo credit: F Minter/Suffolk County Council.

And don't most women just wish that peni would get up and fly away with the rest of the male appended.
So what is he plural of that word?