Australian slang buttocks; backsideAlso: quoit

Word Origin for coit

C20: perhaps a variant and special use of quoit, referring to roundness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for coit

Historical Examples of coit

Word Origin and History for coit

"coition," 1670s, from Latin coitus "going together," also "coition," from coire "to go together" (see coitus).

Online Etymology Dictionary, © 2010 Douglas Harper