silent protest

'Hunger Games' Salute Being Used As Protest Symbol In ThailandProtesters against the military coup are flashing the gesture as a silent act of rebellion.
Clippers Stage Silent Protest to Owner The Los Angeles Clippers chose not to speak publicly about owner Donald Sterling. Instead, they made a silent protest.
Silent Protest Sounds Off at White House Demanding Justice for TrayvonMore than one hundred bitter citizens have led a silent march through the nation's capital Friday in protest of the verdict reached in the murder trial of George Zimmerman last week.