energy vampire

noun — 2 senses

energy vampire

noun

Etymology From energy + vampire.

1

Figuratively, Informal A device or appliance that uses electricity even while switched off.

2

Derogatory, Figuratively, Informal A person who is emotionally draining.

Related terms
time vampire

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.