Mariposting 

Being extremely smart in a chat for general conversations and making other chat members feel dumb by their flexing extreme intelligence

Person A: Hello, how is everyone doing?
Mariposter: We can use X feature to do this when that happens, this has a limit however

Person A: ... What a Mariposting idiot.

Mariposting by SynoIridium April 14, 2023

Manposting 

The act of making memes about Man, who is a character from the DC Universe

Why did I spend all day manposting instead of filing for unemployment, am I stupid?

Manposting by jonkler September 1, 2023

mayposting 

Shitposting, except it's James May posting the shit. Any video from his YouTube channel, "JM's unemployment tube", can be referred to as "mayposting".

kyle: james may is literally shitposting
patrick: it's called mayposting

mayposting by wooga wooga tendiekek August 30, 2021

mayposting 

posting or talking about may from pokémon in a way that makes fun of pedophiles

wow seriously? you need to stop mayposting kid.

mayposting by pt_lol September 26, 2018