Someone who is a luz0r and who brings the lulz.
a loser who brings joy and laughter as we can scoff at their misfortune.
"That girl had sex with a man in a vegetated state-
"see that Sheri? she's a lulzer fo' sho'"
One who brings lulz to an otherwise average and boring event.
PersonA: The meeting with the Bobs was so boring until that lulzer came along.
PersonB: Yeah, he made me lul non-stop.