A 90's insult that isn't ever used anymore. Similar do calling someone butthead or doofus.
Person 1: Dude you're such a butthead!
Person 2: Shut up you Snerd Burglar!
Person 1: I just created an error
Person 2: We like to call that an "Olive moment" because our friend Olive makes errors sometimes.
Typically a free to play user in the game Team Fortress 2.
Juan.hernandez.2005 is at the bottom of the scoreboard, as usual.