incompetent boob 

A third (fourth,... ect.) boob that cannot even lactate that exists just for fun.
Or
A humorous insult used to describe a bumbling idiot with a big smile on his face.

someone who insists that global warming is a hoax. (Whether we are causing it or not, it's still there.)
You may call that person an incompetent boob.

incompetent boob by Michael Conner April 30, 2008

Incompetent politicians

What the swamp is chalk full of

You can't fix incompetent politicians, but you can vote them out.

Incompetent politicians by Uncle Dimma January 18, 2022

Incompetent 

Homes4u. A rental agency in Manchester, UK. Believed to be unable to organise a piss-up in a brewery, let alone manage a large range of rental properties.

Homes4u have lost our keys again. Incompetent b******s

Incompetent by sfgate July 20, 2016

Incompetech

An incompetent technician or repair person: a paid employee whose alleged technical proficiency falls short of solving a problem with an automobile, a computer, a television, or other device, and whose efforts may even make it worse.

"My PC slowed way down, so I called Kwikie Tekkies and the guy they sent was a total incompetech - it runs OK again, but it erased all my tunes! Damn!"

Incompetech by ArjayWI December 9, 2008

incompetent 

An indirect way of saying that the service they provided me with is good, but I didn't get it done my way.

The IT department is incompetent.

incompetent by SOL Darkwater September 28, 2008

incomepetence 

An inability to knowledgeably/effectively/responsibly manage earned assets, plan and maintain a budget, save/invest for the future, etc.

Due to his whiny-a** "affluenza" issues, Ethan Couch showed gross financial incomepetence by squandering money, misbehaving in catastrophically-irresponsible ways which resulted in voluminous legal-expenses for his parents, etc.

incomepetence by QuacksO November 12, 2019

Incompetent Tom 

Referring to Tom Anderson, creator of MySpace, refusing to allow certain xhtml codes onto user profiles.

Don't be such an incompetent tom, money doesn't grow on trees.

Incompetent Tom by bangingcicadas October 25, 2008