catloaf

Etymology

From cat + loaf.

noun

1. (slang) The loaflike form of a domestic cat sitting with paws and tail tucked underneath the body.
   And Gary never got to see him do the full catloaf, where he curled up face-down so that all that stuck out were the tips of his ears. I never got a picture of that, either. 1999, Ailsa N Murphy, “RIP, Silver-The-Cat”, in rec.arts.sf.fandom (Usenet)
   One must often attend to the tail and ensure it remains tucked and not become flippant, so as to maintain a catloaf of presentable form. 2004, Franz Bestuchev, “catloaf”, in alt.support.depression (Usenet)
   "Catloaf" position with paws and tail tucked under the body: "Please do not disturb!" 2009, Brigitte Eilert-Overbeck, Cats, page 47