smart'nt 

not a smart person

ur smart'nt

smart'nt by nylonthingy December 23, 2021

Smartn’t 

Not smart. A conjunction of “smart” and “not”

John: Ben is stupid.
Max: So he’s smartn’t.

John: What?

Smartn’t by Vatsug777 January 30, 2022

ur smartn't 

to tell someone that someone is dumb

ur smartn't
you mean dumb?
no, smartn't
what

ur smartn't by owotsu November 9, 2020