/gonk/ 1. To prevaricate or to embellish the truth beyond any reasonable recognition. In German the term is (mythically) "gonken"; in Spanish the verb becomes "gonkar". "You're gonking me. That story you just told me is a bunch of gonk." In German, for example, "Du gonkst mir" (You're pulling my leg).
See also gonkulator.
2. (British) To grab some sleep at an odd time.