What is the meaning of Jouw?

your; second-person singular possessive determiner

Expression of scorn.

a jeer

inflection of jouwen:

  1. first-person singular present indicative
  2. (in case of inversion) second-person singular present indicative
  3. imperative

first-person singular present indicative

(in case of inversion) second-person singular present indicative

imperative

Source: wiktionary.org