5 New Dictionary Words Defined by Stars

From "f-bomb" to "aha moment," see how Oprah Winfrey, Steven Tyler and more have incorporated Merriam-Webster's latest additions

F-BOMB

(noun) The word f– used metaphorically as a euphemism

Usage: Recently departed American Idol judge Steven Tyler dropped an on-air f-bomb when season 10's top 12 guys took the stage at a March 2011 taping. "F–! Holy sh–!" he said after the bleepin'-good performance.