Stupidly sentimental. Maudlin drunk is the drunkenness which is sentimental and inclined to tears. Maudlin slip-slop is sentimental chitchat. The word is derived from Mary Magdalen, who is drawn by ancient painters with a lackadaisical face, and eyes swollen with weeping.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
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