You just made me remember something from childhood. I managed to wedge myself between back of the sofa and the cushion. That felt so good, getting squeezed from front and back, mostly evenly.
I never got such a feeling again. Closest is being under duvet, once folded large blanket, hugging a feather pillow, laying on my left side and my dog laying against my back. But that's still not enough. At this point, I should probably just put myself under the mattress. Or maybe 2 of them. You know what, put a truck on top for good measure.
What if I took a strong large plastic bag, put it inside duvet cover and filled it with metallic mercury?
OK, enough. This is getting wild.