>>99357879Very tight, go extremely slow, use lots of lube, and be prepared to only do it for a short while if you're even mildly girthy. My GF takes a LOT of warming up, and can't really take my dick, a few fingers or a dildo is as good as it gets.
On the receiving end? It's trite, but it feels kinda like you're shitting. So get used to it. Once again, lube up. Also it's not the same kind of pleasure as dick stimulation. It's a weird kind of pleasure that takes a little acclimatizing to.