What is the meaning of Maudlin?

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.

Source: wiktionary.org