The backstory is that an Australian teen (William Connolly) quite literally threw an egg on the head of the racist senator Frasier Anning during a press conference. The senator then slapped him before he was detained by the crowd. The whole of australia rallied behind William Connolly and called for him to be Australian of the year. This is not a made up story this is actually happens in Australia. Will Connolly is an Aussie legend
A person who doesn't realize they are transgender yet, or is in denial; an undeveloped transgender person. When they realize, it's referred to as the "egg cracking."