先せん行こう販はん売ばいMeaningsNoun1. pre-order; presale; advance saleKanji used先before (timewise)行go販make commercially available売sellComposed of先せん行こうgoing ahead; going first; preceding; coming before; being ahead (e.g. of the times); occurring first; happening prior; scoring first; getting off to a lead; stalkerNoun販はん売ばいsale; sales; selling; marketingNoun