I agree, wow buddy! I've rubbed out a load into my boxers just before going into a store for errands. Feeling your pants soaked from the inside is awesome.
This guy jumped for a TV producer. This is from an HGTV show about mega-pool projects. At the end, their friends were all so so impressed with everything and the producer asked the guy if he'd jump in from a high point. Getting out, you can see his boxer briefs. I love wet underwear...