When you divorce your 2D waifu.
Usually meant as a more respectful and carefully ponderated action, as opposed to just switching best girl, as if they were some sort of object.
I recently 2Divorced Taiga. The flame was no longer there. I shall now endure No Nutting for the following week.
Manga, especially from the shonen genre.
It's a reference to the anime Himouto! Umaru-chan, which in it self, references the Weekly ShÅnen Jump (A popular manga magazine in Japan).
In the anime, Umaru refers to her maganize as "Shonen Jumpu".
Given that it's a light hearted comedy anime, folks using this term are usually talking/discussing manga in a very casual way.
The jumpu I ordered last week just arrived!