Online, short music clips like Glory Days are commonly shared as quick emotional shorthand in edits, memes and short videos, where a few recognisable seconds are enough to set a nostalgic tone. The phrase itself evokes looking back fondly on earlier, happier times, which is why creators reach for it for throwbacks, reunions and celebrations rather than for a full musical performance. Its brief length makes it easy to loop, layer under a voiceover, or place at a turning point, keeping it useful across sports edits, personal montages and feel-good compilations.