If you reversed the gender on this you'd the comment section would be a combination of roasting the hypothetical dude and complaining how trashy the shirt is.
I don't even think the double standard is related to sexism. I think you're all horny degenerates who are emotionally stunted to the point where any woman implying anything sexual breaks your mind.
I actually disagree with that, if I saw a larger gentleman wearing this I'd feel proud of him for owning his thing with self-depracating humour, and think it was funny, the same as I do here.