In the world of fishing, a snag can refer to two things, (1) when a lure or hook is caught on an object, often resulting in the loss of the hook or lure, or (2) sunken trees, which are important habitats for fish and often a focal point for fishing activities.

SNAG is the acronym of the Society of North American Goldsmiths

A dead tree.

In Australia and New Zealand, a snag is a link sausage, a snarler, a British banger, a brat or a sausage.

Snag is the name of a town in the Yukon Territory, Canada

Snag can be short for "Misnaged," pl. Misnagdim - referencing a large group of Eastern European Jews in the 18th century who were extremely opposed to the Baal Shem Tov's (1698 – 1760) teaching of Chassidus.