hotbed of (something)
A place or environment full of something or where something is apt to proliferate, often something unpleasant. It seems our old town has become a hotbed of crime in the years since we've lived there.
hotbed of something
Fig. a nest of something; a gathering place of something. This office is a hotbed of lazy people. My class is a hotbed of nerds.
hotbed of something
n. a nest of something; a gathering place of something. This office is a hotbed of lazy people.