"Pocket lint" refers to the tiny pieces of debris, like dust and fibers, that collect in your pockets. It's a way of describing something small and insignificant. Full definition
There is a lot of investment one puts into meticulously plotting their progress, honing their reflexes, and ultimately overcoming the challenges placed before them — sometimes not even deliberately, as some games do wind up rushed out the door and you've either got to deal with what lies before you or take it to a store that accepts trade - ins, where you might wind up with a stick of chewing gum, some washers, and a ball of pocket lint in return for your $ 70 investment. (poisonmushroom.org)
The back of the Storm features the 3.2 megapixel camera which is located under a lens cover which helps keep the dust and pocket lint out while providing a much sleeker look. (crackberry.com)