right' about' face'
a. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction.
b. the act of so turning in a prescribed military manner.
2. rightabout (def. 2).
3. any complete reversal, as of conduct or opinion. Also,right'a•bout'-face',right'-a•bout'-face'.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.