Wiktionary
surzhyk
n. (alternative case form of Surzhyk English)
Wikipedia
Surzhyk
Surzhyk ( Cyrillic: су́ржик) refers to a range of mixed ( macaronic) sociolects of Ukrainian and Russian languages used in certain regions of Ukraine and adjacent lands. There is no unifying set of characteristics; the term is used for "norm-breaking, non-obedience to or non-awareness of the rules of the Ukrainian and Russian standard languages".