This is a phrase to describe people liking each other in a romantic way but however they are not sure whether the love is real or not thus , they do not date each other but they like each other and they know it. It is like friends with benefits but no sexual actions is involved. This is noticed when two people look at each other constantly and may or may not involve "stalking".

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."