(noun)
A car of any kind, rusty, broken, classic, modern, muscle cars, JDMs, exotic cars and so on. But need a lot of money to maintain and improve performance. Other people see this as wasting money, but in the eyes of car enthusiasts, they are actually building a bond with the car.

The Nussy, or the “nose pussy”, if you will, was discovered during the corona virus pandemic of 2020. People that had to be tested for Covid-19 had to have their nose swabbed right where the brain connects, which often led to people rolling back their eyes and gagging.

A nose-swab-fetish developed from this, because we, as humans, ruin everything.

Car Salesman Jargon.
Basically means a piece of shit car that will need alot of work and money to look half decent, just doesn't sound as bad.