The new Jabba the Hutt scene in the re-mastered Star Wars movies is pants. But the improved film quality of Leia, as she lays half naked on Jabba's sail barge, is hats!
Hats stands for "Huge Ass Tit's". To be used in a situation where only an inner party is familuar with the expression to point out a woman with large breast.
Hats was first used in a tight group of Mt. Greylock High School stoners but rapidy gained popularity among the school to mean MArijuana. A whole sub-system of terms branches from it using winter items to represent their favorite illegal things. The process of smoking marijuana is called, wearing a hat, or putting a hat on.