Dumbfuckalitis is a severe disease commonly affecting millions of people in their workplaces across the world. The disease causes them to become dumbfucks (see definition). A bad case of dumbfuckalitis also causes laziness in said dumbfuck.
It is also known for dumbfuckalitis to affect people outside of the workplace.
Seems to be very prevalent in Great Britain.
Boss, "My HR manager hired a dumbfuck who has now spread dumbfuckalitis in my company and now I have to lay them all off. FFS!"
A person who is unable to follow simple Instructions to perform a simple task and then compounds their ineptness by adding their own particular brand of fucktardiness and dumbfuckery to make matters worse
Harold you dumbfucktard, you had one task and now we have no money, no self respect and no lives!!!!!!