 
		
		Definition of zip:
		
		
		(n) :
		
		the high-pitched sound of a small object moving rapidly through air; energy; vigor; vim
		
			
	
		
		
		(interjection) :
		
		the high-pitched sound of a small object moving rapidly through air
		
			
	
		
		
		(v) :
		
		to close with a 
zip fastener; to close as if with a zip fastener
		
 
								
				"zip one's lip"