Difference between Shut Up and Just About

SHUT UP vs JUST ABOUT: ADJECTIVE

I don't believe it!, no way!
Of a person, to stop talking or (of a person or thing) making noise.
To put (an object) in a secure enclosed place.
To enclose (a person, animal or thing) in a room or other place so that it cannot leave.
To terminate (a business).
To close (a building) so that no one can enter.
Place in a place where something cannot be removed or someone cannot escape
Cause to be quiet or not talk
Refuse to talk or stop talking; fall silent

(of quantities) imprecise but fairly close to correct
(of actions or states) slightly short of or not quite accomplished; `near' is sometimes used informally for `nearly' and `most' is sometimes used informally for `almost'

Button up, Belt up, Dummy up, Lock away, Hush up, Still, Lock, Hush, Silence, Quieten, Put away, Close up, Lock in, Lock up, Be quiet

Confined, Lock away, Hush up, Dummy up, Clam up, Button up, Belt up, Still, Lock, Hush, Silence, Quieten, Close up, Lock in, Lock up

They must either put up or shut up.
His favorite sayings, back up, drop it, shut up.
Russia tells BRD, US, put up or shut up.
You told me to put up or shut up.
She shelf boston put up or shut up reficar.
The three marks of a good preachers are these: He stands up, speaks up, and knows when to shut up!
Saudi Arabia is a totalitarian state where my daughters are locked up, wrapped up and shut up.
Shut up, shut up, and take everything, disembodied code voice, take everything!
Poor women in psychological research: Shut up and shut out.
Shut up, dammit, all of you just shut UP!

Marriage is about children, not just about adult love.
Everybody just about died laughing at me about that.
Just the idea of surgery is enough to stress out just about anybody.
Furthermore, in context, just about any noun can be used to refer to just about any sort of thing.
Heh, ironically I was just thinking about miso because I am just about to start my own miso fermentation experiment.
AI is available just about everywhere, and I use it just about everywhere.
Our expert consultants can arrange just about any holiday you care to think of to just about anywhere in the world.
Obedience training is not just about the tangible actions, no more than school is just about learning facts and figures.
Just about anything that happened was soon known by just about anyone on the street who was interested.
From the very beginning, they have not been just about defence, or just about the UK.