A 'negative Nancy' is someone who commonly whines, complains, ..is a .
fatalistic, is very depressed, unhappy, isolated withdrawn, listless, Negative people often view situations as hopeless. Need lots of encouragement to see things in a positive way.
a creative person is who thinks of great things a knows how to do it ....
something that a person thinks that is true that other people question
robot
scientest
On the phone.
A person who thinks highly of themselves is often termed as egocentric or narcissistic.
Atheist.
A cosmologist
Ignorant.
zen master
A person who thinks nasty things could be described as pessimistic, cynical, or having a negative mindset.
A person who thinks only of themselves is often referred to as selfish or self-centered.
A person who thinks big and has ambitious ideas is often referred to as a visionary or a dreamer. They may also be described as having an expansive or innovative mindset.
If a person thinks they are funny when they are really not, I would call that person a failed comedian, and possibly a fool. Or maybe the person lacks self confidence and that's the only way he know to bring attention to himself.
rare smart probably worth listening to
A thesis statement.
An opinion