腹はらごしらえ

noun, noun or participle which takes 'suru'

having a meal beforehand; eating to prepare for something

Used when you eat before an activity that requires energy or when you might not get another chance to eat soon. Often implies a practical, fortifying meal.

• 山やま登のぼりの前まえにしっかり腹はらごしらえをした。

  I had a good meal before the mountain climb.

• 試し合あいの前まえに腹はらごしらえしておかないと、途と中ちゅうでお腹なかがすくよ。

  If you don't eat something before the match, you'll get hungry during it.