Home › Words › P › pigsitpigsitpigsit · verb — to babysit (take care of) a guinea pig.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom pig + sit.verbTo babysit (take care of) a guinea pig.To babysit (take care of) a pig.e.g.“He's out there now, busting broncs just like his old man did when he was fighting losing everything . . . and I'm stuck with pigsitting the Ferris's Rosy.” — 2002, Cait London, When night falls, page 323:Definitions & examples from Wiktionary (CC BY-SA 3.0).