Someone who rudely presses the hand offered him in salutation, or too violently shakes it.

To have one's hand clutched aloft in grotesque affectation and shaken violently sideways, as though it were being used to clean a spot out of the atmosphere.

The ‘middle finger’ given to the mainstream media, liberal politicians or any critics of President Trump or the Trump Administration. The Trump salute is often given metaphorically by President Trump. President Trump, Trumper, the Orange King, Trump chumps, Trumpnado, Trump armor, Trump army, Trumpestuous, 45, Nancy Pelosi, Chuck Schumer, make America great again, Trump bump, mainstream media, lamestream media, liberals, DC swamp, up yours