Changing something, particularly within a group of people, that affects everyone. This change can be seen as uncomfortable or different, and will not go unnoticed, however small it is.
When Evan pulled the lunch table forward, if only a few inches, he had fenged up the shui for everyone sitting at it.
Emily: Stop fenging up the shui by trying to switch us to 2% milk!
Challenging the minds of others around you, drawing them into a graceful and well thought out battle of minds. Therefor buildingrespect and understanding of opinions and outlooks.
Arguing with no hostility.
My head hurts, Chris and I have been Mental fencing for hours.
William you are quite intelligent and a great Mental fencer, it's been a pleasure waging battle against you.
James stop trying to Mental Fence me, I get your point.
Who dares wage their mind against mine, I am a skilled Mental Fencer.