laugh out of the other side of mouth

laugh out (of) the other side of (one's) mouth

To experience a drastic change in one's emotions or fortunes, especially from happiness to a negative emotion, often in a short span of time. A: "I thought your mother was happy that we're getting married." B: "Me too, but now, she's laughing out the other side of her mouth, and I get an angry phone call from her every day." They'll be laughing out of the other side of their mouths when they realize how much they'll have to pay in late fees.
See also: laugh, mouth, of, other, out, side
Farlex Dictionary of Idioms.

laugh out of the other side of (one's) mouth

To see one's good fortune turn to bad; suffer a humbling reversal.
See also: laugh, mouth, of, other, out, side
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • laugh out (of) the other side of (one's) mouth
  • laugh out of the other side of one's mouth
  • laugh out of the other side of face and laugh out of the other ...
  • laugh out (of) the other side of (one's) face
  • leapt
  • (one's) heart leaps
  • everything in the garden is rosy
  • compersion
  • feel a glow of happiness
  • satisfaction