Possible Clues:

• Saline delivery
• Sound of a stalactite forming or a faucet leaking
• Tap annoyance
• Percolate
• Duck eating river weed
• Small but persistent leak
• Stylish attire, in slang
• What melting icicles do (Note the last 2 letters of this answer + ...)
• Possible cause for insomnia
• Coffee-making option