Nicety

[Couch Potatoe]

The quality or state of being nice (in any of the senses of
that word.).

[Mark Zuckerberg]

A conflicting situation when something is both nasty and nice at the same time.

[Justin Bieber]

Nice and Nasty Person

[Vania]

A nice and nasty relationship.

[Gregory]

An adjective describing a girl who has an awesome body, but a jacked up face. (nice nasty)

[Zipporah Schumaker]

Something or someone extemely [tight]. A combination of the words nice and nasty.

[Merna]

[nasty] and [nice] at [the same] time!

[Tina]

A fine or subtle detail or distinction.

[Dave Paprocki]

a detail or small difference that is only obvious after careful thought:

[Dorothey Allen]

A fine detail or distinction, especially one regarded as intricate and fussy.