### Clue: German in ill humour? Nonsense! (5)
### Answer: BILGE 
 ### Explanation: Definition: Nonsense
  G(abbrev. for $$G$$erman) **contained in**(in) BILE(ill humour,bad temper derived from ancient and medieval physiology which believed that yellow bile, one of the humours,elemental fluids in the body promoted such a disposition).