Teach Yourself German

Witzbeharrsamkeit - unashamedly repeating a bon mot until it is heard by everyone present

Abgrundsanziehung - toying with the non-suicidal idea of jumping from a height

Frohsinnsfascismus - the awful mediocrity of organized fun

Fetanlaushangriff - tuning in and out of a number of conversations at a party

and, my fav:

Clashsyndrom - moments of etiquette perplexity when there is no polite way of behaving

[In English - the Jerry Lewis Syndrome.]

All courtesy of this fine volume.