8 letters · 11 points in Scrabble
noun a successful womanizer; a man who behaves selfishly in his sexual relationships with women
originNamed after Lothario, a character in the play The Fair Penitent, a reference to a seducer of the same name in the metastory of the Quixote called The Impertinent Curious Man.
Etymology from Wiktionary, CC BY-SA 3.0