make horns at

make horns at

To insult another by holding one's fist to one's head with the index and pinky fingers outstretched. The gesture suggests that its recipient is a cuckold. How dare you make horns at me? My wife is a devoted and faithful woman!
See also: horn, make
Farlex Dictionary of Idioms.
See also:
  • at doorstep
  • at (one's) doorstep
  • at (one's) expense
  • at expense
  • at somebody's expense
  • at someone's expense
  • (from) top to toe
  • be remembered as (something)
  • be remembered as/for something
  • be in somebody's good graces