Euroleech 

An immigrant who is both highly critical of the US but has no deire to return to Europe. He often tries to insinuate himself in amongst influential American friends,but eventually wears out his welcome.

Klaus has already been teaching popular culture here for 5 years on a "temporary basis," and people don't want to look at him any more. His students are no longer calling him "professor" but, instead "Euroleech."

Euroleech by DartmouthDude July 5, 2006

Emoleech 

Someone whose emotional needs often require others time and attention.

Individuals who leech onto others for emotional support.

Becky is over-dwelling on her breakup, she might have turned into an emoleech.

Emoleech by infamousgtr February 1, 2021