Apparently, it's so bad that men are less likely to buy condoms in their actual size if they fall on the lower end of the endowment spectrum. This has prompted manufacturers to consider labeling condoms size "large" and up—might I suggest "grande" for small, like at Starbucks?—so men aren't bashful about buying the smaller sizes. The Condom Commandments
All I can say personally is that my former beau and I eventually became good friends, and he told me that my comment seriously screwed him up. I assured him that his disco-stick was perfectly fine, but he still had doubts. I felt bad. I hadn't meant to crush his ego, just deflate it a little. In the future, will I strike below the belt? Probably not, now that I know they're more self-conscious than we think.
Have you ever insulted a man's penis? What happened?