FaBidiot 

A person who shares or posts or news as legitimate information on Facebook without fact checking the source. These posts are often well debunked conspiracy theories or fake news.

Susan is such a Fabidiot. Did you see that article she shared claiming that the Sandy Hook shooting was staged?

FaBidiot by Project Mayhem II April 30, 2020

fubidiot

fucking bitch idiot

"My ex-wife is a fubidiot, that bitch thinks that I'm giving her half of my fucking money."

fubidiot by jcf426 October 29, 2017

Fagidiot 

Someone who is both a faggot and an idiot

Josh: This barista messed up my coffee again... I told him many times, no whipped cream, but he won't listen. The coffee is disgusting. I'm done with Starfucks.
Dave: Must be one of them fagidiots who add whipped cream to hint to customers they'd like their whipped cream in their mouth

Fagidiot by OffBeatDrummer October 25, 2020