/removebuff [-pet|-both] Name Of Buff
Will remove a buff or song by the name of the buff. It can be used to remove buffs from the player, the pet, or both. By default it does a partial match, but you can force an exact compare with the equals sign.
/removebuff Resolution /removebuff -pet Resolution /removebuff -both Resolution /removebuff Illusion: Dark Elf /removebuff =Some Overlapping Buffname