Huh? How do you pronounce 切?
> And it hints at meaning: bowed weapon, sound, elder brother; but your guess is as good as mine!
Why is "elder brother" a meaning hint if you've already assumed that 哥 is the phonophore?
Indeed, the source link is about exactly this: a crappy scan appears to have 彁 but a better copy reveals it was 彊.
[0] https://emojipedia.org/pregnant-man
[1] https://www.reddit.com/r/technology/comments/u7x3l9/comment/...