bigger fool theory
n.— «This is sometimes called the “bigger fool” theory, where someone knowingly buys an overpriced asset because he believes there is a bigger fool out there who will be willing to pay even more for it.» —“The Bubble People” by Bruce Bartlett Human Events (Washington, D.C.) Sept. 6, 2005. (source: Double-Tongued Dictionary)
Further reading
What if, instead of being an inanimate object, a dictionary were alive? That’s the idea behind a lavishly illustrated new children’s book called The Dictionary Story (Bookshop|Amazon) by Oliver Jeffers and Sam Winston. This is part of a...
Diana from Tucson, Arizona, reports that when she was young, her Irish grandmother would chase her and her misbehaving siblings around the house yelling, “You omadhauns!” Also spelled amadán, this word of Celtic origin means...