• Derived from the word Smother; To smudder means when a man or woman simply smothers or overwhelms someone they are sexually interested in. Calling too much, flirting too much, saying I LOVE You every ten minutes, excessive sexting, texting usually does not wear good perfume or cologne. Essentially developing an obessesion with someone who is just not that into you. One who smudders is known as a smudderer.