From Wiktionary, the free dictionary
From house + pig, modelled after housecat, etc.
housepig (plural housepigs)
- A pet pig that is usually kept indoors in one's home.
2017, Paul Griffin, Saving Marty, page 193:Turned out Mr. Punkins took a shine to Marty after all, and now, in addition to having a housecat, Heavenly Hills had a housepig.
