Nittious

Annoying, typically not to a high degree. Inconveniencing a person or people in a small way

“Ugh, Katherine keeps eating my lunch!”
“She does that to me, too.”
“She’s so nittious!”

Nittious

Annoying, typically in a small manner; inconvenient to one person or people in an insignificant but slightly irritating.

“Ugh, Katherine keeps eating my lunch!”
“I know! She does that to me too!”
“She’s so nittious!”