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candle-waster

ˈcandle-ˌwaster
  He who or that which wastes candles by late study at night. So also candle-wasting.

1599 B. Jonson Cynthia's Rev. iii. ii, A whoreson bookworm, a candle-waster. 1599 Shakes. Much Ado v. i. 18 Patch griefe with prouerbs, make misfortune drunke With candle-wasters. 1600 E. Blount Hosp. Incur. Fooles Ded. (N.) A thousand of these candlewasting book wormes.

  2. A small bit of burning wick that falls upon the substance of the candle and causes it to run.

Oxford English Dictionary

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