When you chat with someone non-stop on tinder/other online dating apps and you think that you're having a great start, exchanging the contact and thinking of when to meet that person but then the texting dies the next day and you end up deleting the contact without meeting him/her.

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."