出で会あい頭がしら

noun

the moment of meeting; the moment of running into each other; the moment of crossing paths

Refers to the instant when two people, vehicles, etc., encounter each other, often unexpectedly or head-on. Commonly used in the phrase 出会い頭に.

• 出で会あい頭がしらに自じ転てん車しゃとぶつかりそうになった。

  I almost collided with a bicycle at the moment we met.