Acronym FLUB - Fat Lazy Useless Bastard. Someone who is overweight, lazy and totally incompetant.

To make a mistake or an error.

A socially accepted way to say "fuck".

noun

A small amount of fat that imparts a cute and pleasant quality to the bearer, often a small amount of subcutaneous fat in the abdominal area

To fuck up on something

verb. when fat is protruding out of your clothing in a very grotesque manner.

when a fat girl, who thinks she is hot, wears low ride jeans so you can see her buttcrack and a short tank top with her foobs hanging out, and her fat lovehandles spill out of the sides of her jeans.