mieszanek
Mieszanek is a term found in Polish-language usage that refers, informally, to a mixed-breed animal. It is not part of standard Polish; most sources and speakers prefer the term mieszaniec to denote a dog, cat, or other animal of mixed ancestry. The form mieszanek is encountered mainly in casual speech, online writing, and some regional varieties, where it functions similarly to the English "mixed-breed" or "mutt." Its exact morphology is not uniformly described in linguistic sources, and some language users may consider it informal, affectionate, or even pejorative depending on context.
In formal or veterinary contexts, mieszaniec is the recommended term, and registers or breed databases typically
Notes: Because "mieszanek" is nonstandard, it is best avoided in formal writing. It may appear in humor,