savageorange said:
If you mean in the specific context of fluffy pony, I'm not sure if there is added context there.

In general usage, hugbox might be named after the actual device, definition 1 here
(which I think originated from an autistic person observing that being in a cattle-crush helped calm them down.)

That's a fun fact. Thanks!
But yeah I mean in the context of Fluffy Pony.
We have weirdbox sadbox hugbox neutralbox abuse controversial as the main group.