Someone that is acting sour and bitter like sourkraut. Similar to sourpus, but emphasizing german ancestry. Promotes synergy with on going Nazi jokes.

syn. buzz kill, Mr. Grumpy Gills, lame ass
Krista: I don't want to go out.
Peter: How about instead being such a sourkraus, being awesome?
-Krista, with hair braided in german buns, backhands Peter-
Disoriented Peter: I'm a honey?
by Mr. Flintstone June 7, 2010
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