To cover or smear with a viscous or sticky substance. The children slimed the walls with their gooey hands after playing with the slime toy.
(intransitive) To move while exuding or leaving behind a slimy trail. The slug slimed across the patio, glistening in the morning sun.
(transitive, informal) To maliciously disparage or defame; to smear someone's reputation. The rival campaign tried to slime the senator with baseless accusations.