Akademik

вверх дном

1) General subject: at sixes and seven s, at sixes and sevens, bottom upwards, bottom-up, in a mess, topsy turvy, topsy-turvy, topsyturvy, wrong side up, upside down

2) Automobile industry: bottom up

3) Set phrase: (идти, быть) topsy-turvy, (идти, быть) upside-down

4) Makarov: bottom-upwards

Универсальный русско-английский словарь. Академик.ру. 2011.