鞘当て
1
rivalry in love;rivalry for the heart of a woman
See also:
恋の鞘当て (こいのさやあて)
2
quarrel over something trivial;storm in a teacup
3
quarrel between two samurai due to an (accidental) clash of sheaths while crossing paths
orig. meaning
Other forms
さや当て 【さやあて】