"stamped himself" is a correct and usable phrase in written English.
It means to make a strong and definitive impression on someone or something. Example: The new coach immediately stamped himself as a formidable leader, instilling discipline and confidence in the team.
But he already stamped himself as a great horse.
Saturday night, Klitschko stamped himself No. 1 among the four heavyweight champions on this planet.
But Wilson's intentions are different to Hare's and le Carré has stamped himself so authoritatively on the spy genre the redolence is hardly surprising.
Animal Kingdom, a horse who had never even competed on dirt, won the Kentucky Derby on the first Saturday in May and stamped himself the leader of his 3-year-old class.
All Gong stamped himself as a contender for steeplechaser of the year yesterday when he took the lead approaching the 12th fence and then galloped out to win the $250,000 guaranteed Breeders' Cup Steeplechase in Far Hills, N.J.
All appeared to have gone to plan when Ar Mad stamped himself as one of the main dangers to Douvan in the Arkle, notching an all-important win on Monday on a left-handed track.
He doesn't stamp himself on everything.' Goold laughs.
Despite his modest speed figures, he has the potential to stamp himself as a genuinely top-class horse.
Yet these are fast-moving times – and love him or loathe him, Cameron has defied detractors to stamp himself on our current political era.
Yougottawanna overtook favored Danthebluegrassman in the stretch to win the $200,000 El Camino Real Derby yesterday at Golden Gate Fields in Albany, Calif., and stamp himself as a Kentucky Derby contender.
Usually you think you know what the star is but you have to hope that something will go and stamp himself on the race on the day.
