{v. phr.}, {informal} To hear more (of usually unwelcome news) than one expects or wishes to hear. * /I asked how Tim and his wife were getting along, and I certainly got an earful./ Contrast: SAY A MOUTHFUL.
GET AN EARFUL
Meaning of GET AN EARFUL in English
Slang English vocab. Английский сленговый словарь. 2012