お腹が空く: to become hungry

[I am / someone is] hungry

stomach

belly, tummy, stomach, abdomen

Alternative spelling of お腹: belly, tummy, stomach, abdomen / cotton batting (from the way that batting was used in the 中 (naka, “inside”) of cushions and quilts)

御中: belly, tummy, stomach, abdomen; a meal, especially of rice; cotton batting; (historical) the title of a maid working in the inner part of a samurai family's house during the Muromachi period

to eat / (archaic, humble) to eat or drink

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

What? What did you say?

助け平: lewdness; a lecher