hand-to-mouth

[hand-to-mouth] {adj.} Not providing for the future; living fromday to day; not saving for later.

Many native tribes lead ahand-to-mouth existence, content to have food for one day at a time.

John is not a saving boy; he spends his money without thought forthe future, and lives a hand-to-mouth life.

See: LIVE FROM HAND TOMOUTH.