Thank you all for your replies. You've given me a lot to think about. I feel like this character should already have questions about his sexuality before the story begins, with the the tomato juice bath, plus an honest conversation with his buddy, that helps him come to terms with his sexuality. I would still love to incorporate some levity, certainly not at the expense of my characters and their sexual identities. Also, wow, thanks for breaking down the cost of the tomato juice! I'm guessing it'll be less of a full bath tub and more a tomato puddle/shallow bath with scrubbing. And I'm aware of the more effective method of skunk odor removal, but the tomato juice bath seems much more amusing.
The tomato juice thing is the traditional "cure". As for quantity, I do remember visiting my grandparents on a farm in Oklahoma, and playing all day on that red dirt with my siblings. Then, we got a bath that night. About 3 inches of water for my brother first (he was the youngest), then my younger sister, and finally me, the eldest. That water was...ummm...not clear by then.
Can't imagine how red that water was with that dirt by the time you were done. I imagine, somehow, both men share a bath together, though they'd need something big enough to do so.
The lack of tomato juice does present some possibilities though. Not enough to fill a bath? Then you need to get a tomato juice sponge-bath/you scrub my back, I'll scrub yours. If the one dude is gay and the other is questioning/curious he might enjoy the sensation of the rub a little more than a skunked straight dude should, maybe lean into it and... baum-chicka-baum (70s pr0n music) There are sillier setups in straight adult films, I'll go out on a limb and guess that M-M fare has similar.