Definition of smashing:
		
		
		(adj) :
		
		serving to 
smash (something); (British informal) 
Wonderful, very 
good or 
impressive. Thought to be corruption of Irish is maith ? sin (meaning "that's good")
		
 
								
				"the boxer delivered a smashing blow to his opponent's head."
			
			
	
		
		
		(n) :
		
		gerund: The action of the verb to 
smash
		 
								
				"some Greek dance is traditionally accompanied by the smashing of crockery."