Laggy means a screw up during gameplay
examples:
blue screens
freeze ups
teleportation to a distant spot for an unkown reason
slow reaction time
and points at which the game acts in slow motion.
and many other ways.
no, thats not what it means. those are results of lag, but laggy is when someones internet connection is very slow. by your definition, laggy could mean that someones disk is scratched and wont load a map.
yes, but they are signs of lag.
yes, like kyp_durron said
yes, but they are signs of lag.
im not arguing that, its your def. of laggy