[Anthony-G]

I thought the same thing and was going to reply before I saw your comment. I wonder if there’s a term for typos/mis-spellings that form an unintended word or phrase that still makes sense for that particular context.

https://en.wikipedia.org/wiki/Power_chord

[JustResign]

Whatever it is, it needs to be a pun on "oak trees", because they're _eggcorns_ that grew up.