Is used in reference directly to Richard Z. Kruspe-Bernstein, guitarist of the German Industrial band Rammstein. It is in reference to his outlandishly attractive buttocks. Indirectly, it can refer to someone who possesses comparable hind-quarters.
1. Used to describe someone who is inherently adorable, sweet, and cute, but also an airhead. Derived from the actress Reese Witherspoon due to her character in the movie Legally Blonde.