From Wiktionary, the free dictionary
From nyitva (“open”) + van (“is”) + a (“the”) + mészárszék (“butcher shop”), literally, “the butcher shop is open”.
- IPA(key): [ˈɲitvɒvɒn ɒ ˈmeːsaːrseːk]
nyitva van a mészárszék
- (idiomatic, dated) Your fly is open. (said to a man or boy)