I have achieved that, when I was younger and skinnier, and it’s not even all that great. For one, yeah, kills your back. Two, it’s more like sucking dick than getting your dick sucked, so let’s hope you’re good at that – and if you are, you’re going to end up with a mouth full of cum.
Now, I’m gay, so these last two points didn’t bother me any, but I was so sore from the experience I did it like twice and then never bothered again. I imagine a straight guy would be even less impressed.
it’s almost like people can have shared experiences or something. Wild!