>>55090781far fetched as in too good to be true
"a duck comes bearing onions"(in other words, the perfect ingredients for a stew coming directly to you) is an idiom that can be used in 2 different contexts:
>an unexpected positive event happening to youlike getting an exclusive one-of-a-kind trade pokemon by trading a mere spearow you can find anywhere with zero effort(the other exclusive trades require a poliwhirl/slowbro/abra)
>mock someone foolishly walking towards its own demiselike a player thinking he got a great deal being gifted a terrible mon that has the lowest stats of any fully evolved kanto pokemon. or the farfetchd himself being sent into battle and getting btfo by pretty much everything