Name-calling in Australia is standard operating procedure amongst friends, and it’s not uncommon to be called worse things by your friends than by your enemies.
Saturn Girl learns that a Legionnaire will die in combat against Zaryan, and manipulates the election in order to take over as leader so she can steal all their powers and fight him alone.
Lightning Lad realizes this and takes her place, flying out to die in battle instead.
The original Legion disappeared following Zero Hour in 1994 during the Legion Reboot.
Following Infinite Crisis in 2006, they reappeared as a divergent timeline splitting at Crisis on Infinite Earths.
After my recent trek to the US showed me just how confusing our language can be, I’ve gone ahead and put through a (far from complete) dictionary of Australian slang for your reading pleasure.