cross swords

verb3

1. •
   To fight with someone; to duel.

   • I do not relish crossing swords with Pike's hook. — 1966
2. •
   To quarrel or argue with someone; to have a dispute with someone.

   • You say that you do not see how you and I have crossed swords with the priests. — 1902
3. •
   (vulgar) For males, to urinate simultaneously such that the streams intersect.