wind up one's bottoms

== English == === Pronunciation === === Verb === wind up one's bottoms (third-person singular simple present winds up one's bottoms, present participle winding up one's bottoms, simple past and past participle wound up one's bottoms) (idiomatic, obsolete) To finish a job. 1770, Joseph Banks, The Endeavour Journal of Sir Joseph Banks, entry for 1770 February 5 [1] Myself and the Dr went ashore today to wind up our bottoms === References === Ray Parkin, H. M. Bark Endeavour, Miegunyah Press, second edition 2003, →ISBN, (explaining the following from Banks.)