blind‧side /ˈblaɪndsaɪd/ 
 verb [transitive] American English informal1.  to hit the side of a vehicle with your vehicle in an accident: 
 Their car was blindsided by a bus at the intersection.2.
 Their car was blindsided by a bus at the intersection.2.  to give someone an unpleasant surprise: 
 I was blindsided by his suggestion.
 I was blindsided by his suggestion.  [TahlilGaran] Dictionary of Contemporary English ▲