1810 J.B. Ker Archaeology of Pop. Phrases II 115: Sollen, sollebollen [...] is to toss arse over head, head over heels.at arse over head under arse, n.
1837 J.B. Ker Archaeology of Pop. Phrases (rev. edn) I 105: arse over head. As in the expression, he fell arse over head.at arse over head under arse, n.