ダメ押おし

noun, noun or participle which takes 'suru', intransitive verb

making doubly sure; extra confirmation

General use for verifying something again or adding a final push to ensure a result.

• 念ねんのため、もう一いち度どダメ押おしの確かく認にんをした。

  Just to be safe, I double-checked one more time.

• 契けい約やく書しょにサインする前まえに、条じょう件けんをダメ押おしした。

  Before signing the contract, I made doubly sure of the terms.

noun, noun or participle which takes 'suru', intransitive verb

insurance run; extra points for good measure

Sports term, especially in baseball, for scoring an additional run to secure a lead.

• 9回かいにダメ押おしのホームランが出でた。

  An insurance home run came in the ninth inning.