Merriam-Webster's Collegiate® Dictionary, 11th Edition
SMASH
I. noun
Etymology: perhaps blend of 4smack and 2mash
Date: 1725
1. a smashing blow or attack, a hard overhand stroke (as in tennis or badminton),
2. the action or sound of smashing, utter collapse ; ruin , a striking success,
II. verb
Date: 1764
transitive verb to break or crush by violence,
2. to drive or throw violently especially with a shattering or battering effect, to hit violently ; batter , c. to hit (as a tennis ball) with a hard overhand stroke, to drive (a ball) with a forceful stroke, to destroy utterly ; wreck , intransitive verb to move or become propelled with violence or crashing effect , to become wrecked, to go to pieces suddenly under collision or pressure, smasher noun
III. adjective
Date: 1923
being a smash ; outstanding