Maudlin meaning : The Magdalene; Mary Magdalene. Either of two aromatic plants, costmary or sweet yarrow. A Magdalene house; a brothel. Affectionate or sentimental in an effusive, tearful, or foolish manner, especially because of drunkenness. Extravagantly or excessively sentimental; mawkish, self-pitying. Tearful, lachrymose.