concuss[verb]Synonyms: shake, agitate, convulse, rock, force, coerce, compel, constrain, make, oblige, shotgun
 [TahlilGaran] English Synonym Dictionary ▲
 con‧cuss /kənˈkʌs/ 
 verb [transitive usually passive] if you are concussed, something hits you on the head, making you lose consciousness or feel sick for a short time: 
 He was concussed by the blast.
 He was concussed by the blast.  [TahlilGaran] Dictionary of Contemporary English ▲