ant hill family
n.— «In a trend dubbed “ant hill families” more and more 30-somethings are choosing to save money and go home to live with their parents again.» —“30-somethings living with Mum” FemaleFirst.co.uk (U.K.) Mar. 27, 2006. (source: Double-Tongued Dictionary)
Further reading
While reading Great Expectations (Bookshop|Amazon) by Charles Dickens, a listener in Arlington, Texas, is surprised when one of the characters inherits some money, which Dickens describes as a cool four thousand. Were they really using cool that way...
Onomastics is the study of the origin and history of proper names. Many family names, such as Smith and Cook derive from occupations. That poses a conundrum for Marina Abbott from Sonoma, California: If abbots traditionally took a vow of celibacy...