noun- when someone is acting childish or weird and need to be called a word more offensive than stupid.
Did you see how Cece wore her hair yesterday? She is such a nardy.
A person ( of albanian origin mostly ) that is spaced out 99% of the time (doesn't mean he/she is high, they are just like that). It can also be used when somebody has a very ugly name and you wanna make fun of him/her.
"bro's nardi"
You mainly use it without an "a" before. f.e.
" Don't mind Nardi, he's usually like that "