Can be used as an noun (nooch), describing someone as noochy is to call them very cute and silly.
Can be used as an adjective (noochy), describing someone as noochy is to describe them as very cute and silly.
"ur my little nooch"
"The girl at the gas station was so noochy, you could tell it was her first time on the job the way she was running around LOL"
a gender-neutral public restroom in which shenanigans take place
"you have juul?"
"yea meet me in the gen nooch"