Snăck, n.

n. [O. & Prov. Eng. snack, to snatch, D. snacken, snackken, to snatch, allied to snappen, to seize, snatch, H. Ger. schnappen, Eng. snap.]

1. A share; an equal part or portion; — obsolete, except in the colloquial phrase, go snacks.
2. A slight, hasty repast.

To go snacks, to share; to take part. At last he whispers, “Do, and we go snacks.” Pope.