gyro vs hair pie

gyro

noun
  • A gyrocompass. 

  • An autogyro. 

  • Synonym of detangler. 

  • A gyroscope. 

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

hair pie

noun
  • Cunnilingus. 

  • The external female genitalia with an unshaven mons veneris. 

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