1 Samuel 14:28-29, 31-32

Then one of the people said, “Your father strictly charged the people with an oath, saying, ‘Cursed be the man who eats food this day.’” And the people were faint. Then Jonathan said, “My father has troubled the land. See how my eyes have become bright because I tasted a little of this honey.

They struck down the Philistines that day from Michmash to Aijalon. And the people were very faint. The people pounced on the spoil and took sheep and oxen and calves and slaughtered them on the ground. And the people ate them with the blood.