Originally Posted by
noglider
This happened to me once, and it wasn't my penis, it was my scrotum. I couldn't figure out why I was getting a burning, itching sensation while on my ride. After my ride, I saw my scrotum was redder than a tomato. I determined that my brand new shorts' chamois was too thick, causing folds in the chamois, which pinched my scrotum.
I think the current trend of extra-thick padding in the shorts is a mistake.
I haven't worn those shorts again. I can't, in good conscience, pass them on to someone else. I really should throw them out.
I constantly had that problem and varying between tighter and looser shorts did not make much difference I finally found a solution. I now wear a suspensory under my shorts. A suspensory does not have any lower fabric between the legs (which you don't want when you are cycling) just a waist strap, but the sufficiently tight cycling shorts keep it in place admirably for me.
I don't know if the suspensory would help the OP though since I am not a mutilant myself but the suspensory does help keep that part up in place too.