Seeing a women passer byjogging. And boobs bouncing. Similar to seat belt titty, when you look over at the car next to you and see cleavage from the seat belt.
Ben:Check out them jogging titties!
Mark: Dude, those are my moms jogging titties!
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."