Chevallier
Verb - To flirt with someone in a very chivalrous way. Originates from the french word 'Chevalier' meaning Knight.
Knight: Oh dear lady, thou art majestic, and strike a dagger of desire into the infernal depths of my heart!
Peasant: Ooh ar! That ere knight Chevalliered that lass well good.
Peasant: Ooh ar! That ere knight Chevalliered that lass well good.