勝かちっぱなし

noun

winning streak; string of wins

Used when someone keeps winning without a loss, often in sports or games. The っぱなし ending implies a continuous, uninterrupted state.

• 彼かれは今こん月げつ、勝かちっぱなしだ。

  He's been on a winning streak this month.

• このチームは開かい幕まくから勝かちっぱなしで、まだ負まけていない。

  This team has been winning straight since the season opener and hasn't lost yet.