In Dutch bot means rude and blunt (and also bone). For most bot accounts rude is fitting, and I usually interpret it like that in chat/twitter bot contexts.

Replied to May 28th, 2019, 1:55pm (adactio.com)

I know that “bot” is meant to be short for “robot”, but I can’t help reading it as being short for “bottom”

e.g.

“Chatbottoms are the next big thing.”

or

“Optimise your website for searchbottoms.”