“Are you unsure of my gender?”
Delivered tong-in-cheek, coyly, or as a mock challenge.
The larger point is that wearing the kilt can/does/must prompt split-second judgment and wit.
"Oh, but I haven't that skill." Yes you do. Yes I do. We all do.
A simple entertainers trick. Not rocket science.
Who is your audience? How to get them on your side with the right comment?
Brings a smile, or doesn’t. Practice.
The smiles definitely outweigh any awkward bits.