I'll tell you one thing that really really offends me: Unsolicited advice from men. I hate if I'm playing pool out in public and it never fails that some guy wants to come up and tell me how to take a shot. I always think 'why dont you go tell that 6'4" burly-looking man over how to take his shot'.
And when I go to Las Vegas and I'm sitting at a card table, it also never fails that some man wants to come over and offer me advice on how to play. I dont mean to be rude, fuck it, yes I do. So I usually reply "I'm perfectly aware how to play the game thankyou I've been playing for years, but if you want to join the game I'd be more than happy to take your money too". It happens to me EVERYTIME I sit down to play with "the boys". Trust me, if I didnt know what I was doing I wouldnt be there. Suppose it's better that they dont see me as a threat though.