Definitions of smash:

• noun:   a serious collision (especially of motor vehicles)
• noun:   a conspicuous success

  Example: "That new Broadway show is a real smasher"

• noun:   the act of colliding with something

  Example: "The fullback's smash into the defensive line"

• noun:   a hard return hitting the tennis ball above your head
• noun:   a vigorous blow
• verb:   hit violently

  Example: "She smashed her car against the guard rail"

• verb:   break suddenly into pieces, as from a violent blow

  Example: "The window smashed"

• verb:   break into pieces, as by striking or knocking over

  Example: "Smash a plate"

• verb:   overthrow or destroy (something considered evil or harmful)

  Example: "The police smashed the drug ring after they were tipped off"

• verb:   hit hard

  Example: "He smashed a 3-run homer"

• verb:   collide or strike violently and suddenly

  Example: "The motorcycle smashed into the guard rail"

• verb:   hit (a tennis ball) in a powerful overhead stroke
• verb:   humiliate or depress completely

  Example: "The death of her son smashed her"

• verb:   damage or destroy as if by violence
• verb:   reduce to bankruptcy

  Example: "The slump in the financial markets smashed him"

• adverb:   with a loud crash

  Example: "The car went smash through the fence"