The truth in a nutshell is that I knew nothing of politicis until I heard my mom's opinion on the war.
1) a shortened explanation which substitutes a lengthier one.
2) (a more recent definition) stuck, cornered, unable to figuratively move
1) In a nutshell, James Buchanan was a horrible president and was a complete pussy.
2)Damnit, I don't know what to do; I'm in a nutshell!
A phrase meaning, without pretense or long explanations. Used commonly when you can't be bothered making an in-depth explanation.
"Does he, in a nutshell, fuck?"
"This is me in a nutshell, "Help! I'm in a nutshell!""
A Short Explanation Of Something.
Nutshell is A Short Explanation Of Something.
Something briefly described, also used with "in a" mostly used as a form of comedy.
Minecraft in a Nutshell
Apple in a Nutshell
Dragon Ball in a Nutshell
Verb - To be summarized; "in a nutshell."
Well, nutshelled, that presentation is saying that smoking is bad.