temptress (plural temptresses) 1  An alluring woman who seduces or exploits men. 2  A woman considered sexually attractive by men. Marilyn Monroe, the iconic temptress of the 20th century.
Sarcasm is difficult to understand when crossing any language barrier, but yes it is a popular stereotype that the Germans have little sense of humour. I work with several german clients and they don't put up with anything let's put it that way. Just Google it.
Sarcasm is sometimes informally defined as saying the opposite of what you means, but this is more correctly called verbal irony (see Irony on Wikipedia for a good overview of the differences). To be sure, a lot of sarcasm employs verbal irony, but some of it doesn't. Some sarcasm is more satirical than ironic. And some of it isn't really classifiable as ironic or satirical. Of course, all sarcasm involves some unexpected, apropos twist, since that is the essential component of a witty or funny comment.