1. pile up - Noun
2. pile up - Verb
collect or gather
get or gather together
arrange into piles or stacks
Source: WordNetpile-up
The nice thing about having a brain is that one can learn, that ignorance can be supplanted by knowledge, and that small bits of knowledge can gradually pile up into substantial heaps. Douglas Hofstadter
I wear a pedometer, a little device that counts every step. It works as a goad, because you walk additional distances to pile up the numbers. The average person walks 2,000 to 3,000 steps a day. I walk 10,000 steps a day. I have lost a lot of weight as a result. Roger Ebert
When evil-doing comes like falling rain, nobody calls out "stop!"When crimes begin to pile up they become invisible. When sufferings become unendurable the cries are no longer heard. The cries, too, fall like rain in summer. Bertolt Brecht
Nancy, every place you go, it seems as if mysteries just pile up one after another. Carolyn Keene
If your body is a temple, you can pile up too much deferred maintenance. If your body is a temple, mine was a real fixer-upper. Chuck Palahniuk
Go ahead, switch the style up. If niggas hate, then let them hate and watch the money pile up. 50 Cent