Moronymous 

One who incites trouble or engages in toxic speech, or unwaranted insult anonymously.

I told human resources about the homophobic note left on my desk by moronymous.

Moronymous by Emogenome February 15, 2019

moronous 

Being an act of a moron.

Doing a girl's assignment simply because you have a crush on her is moronous.

moronous by footprintoftheworld December 26, 2008

manonymous 

An anonymous man... perhaps of mystery?

Genesis: while trying to found "manopause" and finding it previously defined, manonymous was born.

While trolling the darkest chatrooms on the interwebs Stranger Danger decided it best to roll manonymous. Troll away Carlos.

manonymous by Metzy50 October 31, 2013