- (an exclamation of contempt or annoyance): Bah! Humbug!
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an expression of contempt or disgust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
exclamation of contempt, 1817, perhaps c.1600, probably from French bah, Old French ba, expressing surprise, scorn, dismay. Perhaps simply a natural exclamation in such situations; cf. Greek babai!, an exclamation of surprise.
Online Etymology Dictionary, © 2010 Douglas Harper