fur pie vs gyro

fur pie

noun
  • An unshaven vulva. 

gyro

noun
  • A gyroscope. 

  • A gyrocompass. 

  • An autogyro. 

  • Synonym of detangler. 

  • A style of Greek sandwich commonly filled with grilled meat, tomato, onions, and tzatziki sauce. 

How often have the words fur pie and gyro occurred in a corpus of books? (source: Google Ngram Viewer )