to sprinkle or scatter, usually used in a derogatory way to imply slander or criticism

अफसर करना (afsar karna)

English Usage: The politician aspersed his opponent's integrity during the debate.

Hindi Usage: उस राजनीतिज्ञ ने बहस के दौरान अपने प्रतिपक्ष की ईमानदारी पर अफसर किया।