@laketica; yeah I read it the same, guess the second half is implied, like "you better treat OR I DO STH TO YOU" ... or sth like that
like basically the "trick or treat" thing, saying, you better treat or my "trick" will haunt you
or like an old couple opens the door, in front a kid with a chainsaw saying "trick ot treat" and then the wife to her husband "you better treat, dear"
sry, couldn't stop