ass over teakettle

Adverb

US idiomatic not-comparable

(idiomatic, US) Tumbling upside down. / (idiomatic, US) Frantically.

Japanese Meaning

逆さまにひっくり返る、または転倒する状態 / 慌ててバタバタする、または激しく混乱する様子

When the cart hit the rut, the toddler went ass over teakettle across the yard.

荷車が段差にぶつかったとき、幼児は庭を頭から転げ落ちた。

Sense（1）

(idiomatic, US) Tumbling upside down.

When the top step gave way he went ass over teakettle back down to the bottom.

Sense（2）

(idiomatic, US) Frantically.

We've been scrambling ass over teakettle to get this thing done on time.