have on the brain vs moony

have on the brain

moony

adj

  • Resembling the moon. 

  • Silly; sentimental; mooning over something. 

  • Moonlit. 

  • Sickly or tipsy. 

  • Absent-minded. 

noun

  • The act of mooning, flashing the buttocks. 

How often have the words have on the brain and moony occurred in a corpus of books? (source: Google Ngram Viewer )