What is the meaning of Netter?

One who nets (in any sense), or who uses a net.

An Internet user.

comparative degree of netjes

comparative degree of nett

inflection of nett:

1. strong/mixed nominative masculine singular
2. strong genitive/dative feminine singular
3. strong genitive plural

strong/mixed nominative masculine singular

strong genitive/dative feminine singular

strong genitive plural

indefinite plural of natt

indefinite plural of natt

Source: wiktionary.org