Plex

Abbreviation of "Positive Flexing" - Plex, Plexing. Advertising a positive act towards society or nature on social media accounts, thus encourage and influence others to contribute to different causes.

This bloke is always plexing on Insta about doing voluntary work in an ethical elephant sanctuary. I totally want to go there.
I donated 100k to charities last year - that is a real plex.