Referring to someone's stomach hanging out the bottom of there t-shirt, so that it looks like a large greggs stottie they've tried to steal by hiding it up the t-shirt
a north east of England slang word for a fat person wearing clothes far too small that there fat stomach hangs out looking like a large flat bread, they might also be said to baguette breasts

the thing that you don’t have when you’re phones percentage is over 20