drip
n.
mid-15c., from drip, v.. The slang meaning "stupid, feeble, or dull person" is first recorded 1932, perhaps from earlier American English slang sense "nonsense" (1919).
v.
c.1300, perhaps from Middle Danish drippe, from Proto-Germanic *drup- (cognates: Dutch druipen, German triefen), from PIE root *dhreu-. Related to droop and drop. Old English had cognate drypan "to let drop," dropian "fall in drops," and dreopan "to drop." Related: Dripped; dripping.