If they don't fit in the crotch, you'll be sorrier than if they don't fit someplace else. So, if they DO fit in the crotch but not in the waist, that just isn't the right pair of shorts for you, in any size.

Call TE. They're really helpful, they know a lot about every product they sell, and if they don't know they're perfectly happy to pull something off the shelf and measure it while you're on the phone.