Unbearable constant undulating
Well, that's it; I hated the way they 'danced'.
Seriously, if I ever saw a guy doing that with their pelvis near me, I'd just laugh and leave.
Plus, I don't think watching a guy undressing to the point they get in a thong and props is sexy; rather the contrary. This is much more an outfit to be in when one is preparing for a Halloween party and goofing around, not at all the climax of a sexy show.
All in all, I don't get the appeal of watching male strippers, I am only interested in seeing a guy undress if they go all the way, don't dance around like idiots (who think they are sexy, which is all the more ridiculous), and there's a reason for undressing...