Verses with the word dropping in the Old Testament (3 verses):

Proverbs 19:13
A foolish son is the calamity of his father: and the contentions of a wife are a continual dropping.

Proverbs 27:15
A continual dropping in a very rainy day and a contentious woman are alike.

Canticles 5:13
His cheeks are as a bed of spices, as sweet flowers: his lips like lilies, dropping sweet smelling myrrh.