the.com/tout

To praise something loudly, ideally right before selling it to you.

means To publicly and enthusiastically praise or promote something, usually to drum up sales or support.

from From Middle English 'tuten,' meaning to peer or peep out, related to Old English spying/watching words — a tout was originally a lookout, specifically a racetrack spy who watched horses train in order to leak tips to bettors. From sneaking a peek at the horses, the word slid into shouting about them, and eventually into the general hustle of loud, self-interested promotion.

origin
middle english for to peek or spy
horse racing
originally a tipster scouting rivals stables
modern use
scalpers tout tickets outside sold-out shows
red flag
the louder the touting, the smaller the substance
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