Clothes that fit in away that hide how fat a person really is.
That girl thinks shes hot with all the fat camo on.
When one is not fat but breaths heavily like a fat person when performing any sort of activities.
Stacy: I hate going up these stairs!
June: Me too! It's only one flight but I always get fat breath when I reach the top.
This means leaving a very generous tip (usually 50-100%) when out drinking and/or dining. Especially when out with a large group of friends.
I'm going to FAT-TIP the bartender so that we will be remembered and taken care of for the rest of the night.
Sitting in a fashion that does not allow others to sit next to you; even when there is space. You preferably do this when you are mad at someone.
I didn’t want Andre to sit next to me, so I started sitting fat.