break Priscian's head

break Priscian's head

To fail to use correct grammar. Priscian was a 6th-century Latin grammarian. A: "Guys automatically become less attractive when they break Priscian's head." B: "Spoken like a true English major."
See also: break, head
Farlex Dictionary of Idioms.
See also:
  • fall flat
  • become unglued
  • stop at
  • stop at (something)
  • fail at life
  • lock on
  • lock on (to) (someone or something)
  • switch into
  • switch into (something)
  • in any case