"Emotional vampires" refers to people who drain the energy and happiness from those around them by constantly seeking attention, sympathy, or drama. They often make others feel exhausted, upset, or manipulated. Full definition
Victims of emotional vampires sometimes develop unhealthy behaviors and symptoms, such as overeating, isolating, mood swings, or feeling fatigued, when they've been in prolonged contact with these energy drainers. (mindbodygreen.com)
Not sure your bête noire is en emotional vampire exactly? (inc.com)
I call these draining people emotional vampires,» she writes, endorsing the notion that vampires do indeed exist. (inc.com)