Not 

Pronounced (note)

A notification

I just got a not from Instagram.

Not by Kitty Peoples December 8, 2020

not 

Someone that is not hot.
Also: Nottie.

Oh snap, fool, she looks so not right now!
Dammit, she's a nottie.
Good from far, far from good.

not by MoonKnight March 4, 2003

Not 

An unattractive male.

"Don't you like him?"
"Ugh, no way. He's like, sooo not."

Not by CyanideKiss February 25, 2010

NOT 

Abbreviation of Nasty Old Thing. Total opposite of PYT (pretty young thing).

Dude to friend : Damned, that chick is NOT!

Friend : Totally man!

Not Chick (to herself) : Dam, these tight leggings really show my curves.

NOT by Patricklikesophélie October 27, 2011

Not 

Not

Not

Not by A wooden toaster zombie November 13, 2019

not 

A street word referring to Methamphetamines.

Etymology: Called "not" because when you're on Not, you're NOT hungry, NOT sleeping, NOT caring, NOT boring, etc...

Hubbard: Hey, man... what've you got for me?
Stanley: I got not.
Hubbard: Wicked, man. How much?
Stanley: It's all dolla' for dolla' this time.
Hubbard: Sounds great. I'll take 20 cents.

not by RedRobin January 2, 2008

Not 

1> To intend to carry out a task and back out at the last moment.
2> To make a false statement.

James looks like Graham Cash not.

Not by Timmy2000 May 1, 2003