Honestly, if a woman OR a man just grabs, that's reason enough to take careful aim and break their nose, if you ask me. I wouldn't hesitate to do it, either.....and kilt and cordiality and gentlemanliness be damned. There's basic decency, too.

She knew you didn't speak Dutch, and yet she decided that HER interest in what might or might not be under your kilt was more important than YOUR preferences regarding your privacy. If you'd walked up to her and spoken to her in Russian, and she didn't understand Russian, so you just groped her ther ein public in the bar, would you be surprised if she laid her hand across your face as hard as she possibly could?

no.

"The Question" is one thing. Teasing is one thing. ASKING and then going for it when you receive a "yes" answer is entirely fine. This is totally different.