fu
suffix— «She didn’t win, but it was pretty clear she was there not to demonstrate her superior cooking fu but to spread the word of Thai food to Japan.» —by Trip Trip’s Brain-Sucking Web Site Jan. 26, 2002. (source: Double-Tongued Dictionary)
Further reading
Joey from Orono, Minnesota, has been learning Italian and its many idioms, which makes him wonder if there are other languages that can simply be learned in a classroom without input from a larger cultural context of new and evolving expressions...