I work out pretty heavily at the gym and have impressive forearms: I always knew that people enjoyed the aesthetic, but I didn't realize that Reddit had a community for people to share images of themselves and their amazing front guns.
Anyway, with over 10,000 subscribers, this place is a haven for those that want to see dudes with big ass arms that are willing to get down and dirty. I will just say that if you sort the content by top rated of all time, I'm currently in the top 20 submissions! I know, what a claim to fame, but have a looksie and see if you can work out which bulging god I am. Feel free to message me too! ;)
/r/ForearmPorn has new material submitted about five times a day and to be honest, I think that's incredible considering how niche it is. Only downside here is that it's not all gay material, but I don't think many of my readers here at My Gay Sites mind that.