It is literally the first time I heard the "femboy question" phrase. You can literally insert any noun here and have the phrase used already. Whatever, a "bear" let's say:

https://www.ywcamv.org/blog-newsroom/blog/2023/12/13/ywca-mv... (And this is from a reputable organization, not an individual.)

The fact that people associate such unrelated phrases with one another on the basis of their grammatical similarity just speaks of them, not of the author.