Boysenberry's Viscous Mockery

You unleash a string of insults laced with all kinds of digusting goo and mucus at a creature you can see within range. If the target can hear you (though it need not understand you), it must succeed on a Wisdom saving throw or take 2d4 psychic damage and have disadvantage on the next attack roll it makes before the end of its next turn. It also is now covered in a slimy viscous mucus and must make a Dexterity saving throw or drop anything they are holding