essentially someone who looks beefy in a tshirt, fills the sleeves, but is non-the-less a fat guy in reality. Hundreds of shirt fillers go to your local gyms.

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."

A really shit doorman/bouncer who is a pussy and can’t do his job properly. He/she is absolutely useless as fuck and they are better off being glass collectors. Shirt fillers are normally sent as a replacement when the staff who normally work are off for the day or left the job. If you are a doorman and you have a shirt filler try get them to do the job properly or else you’ll just have a useless wanker who will get paid for standing around like a nob.