Bulge (noun)

1. A protuberance or swelling on a surface or object.
2. An area of a garment that sticks out due to a bulge in the underlying body part.
3. A sudden increase in the size or volume of something.

Origin:

Middle english (originally as a verb in the sense "swell, stick out"): from old norse bula, bulga "swelling"; related to middle low german bulge "belly".

Examples:

1. A large bulge appeared in the fabric of his pants.
2. The pockets bulged with items that couldn't fit properly.
3. There was a noticeable bulge in his cheek where he had a wad of chewing gum.
4. The population of the city has shown a noticeable bulge in recent years.
5. The stock market experienced a sudden bulge in trading activity.