noun. a bag for life is a euphemism for the male genitalia, or more specifically, scrotal sack. The term pertains in its literal sense to a long-term use carrier bag, popularised by a UK-based high street retailer.

1. A bag bought in supermarkets to be kept and reused many times.

2. A womanly part (or a lady with) that is vacuous in size - thus allowing storage of everyday shopping items, eliminating the need for a single-use plastic bag.

3. A wife