What is a lysosome, and why is it often referred to as a cell's "suicide bag"?

A lysosome is a membrane-bound organelle found in eukaryotic cells that contains digestive enzymes. It is often referred to as a cell's "suicide bag" because these enzymes can break down waste materials, cellular debris, and even the cell itself (autolysis) if the lysosome ruptures or if the cell is programmed for destruction (apoptosis).