the.com/perky
the relentless optimism that makes Mondays bearable and exhausted people quietly homicidal
originFrom 'perk,' to thrust oneself forward boldly
coffee linkPercolators 'perk' to make you artificially perky
postureOriginally meant standing jauntily upright, not cheerful
bird rootsTied to perching birds holding heads high
caffeine mathPerkiness peaks 30 to 60 minutes post-coffee