Wiktionary
vb. 1 (label en transitive) To form a pile, stack, or heap. 2 (label en idiomatic intransitive) To collect or accumulate, as a backlog.
WordNet
v. collect or gather; "Journals are accumulating in my office"; "The work keeps piling up" [syn: accumulate, cumulate, conglomerate, gather, amass]
arrange into piles or stacks; "She piled up her books in my living room" [syn: heap up, stack up]
get or gather together; "I am accumulating evidence for the man's unfaithfulness to his wife"; "She is amassing a lot of data for her thesis"; "She rolled up a small fortune" [syn: roll up, collect, accumulate, amass, compile, hoard]
Wikipedia
Pile Up is a compilation of singles, B-sides, and rarities by queercore band Pansy Division.
The album includes numerous cover songs including " Cowboys Are Frequently, Secretly Fond of Each Other", " Real Men", " Jack U Off", and "Smells Like Queer Spirit" ( Smells Like Teen Spirit).
Usage examples of "pile up".
Black clouds were beginning to pile up beyond the white peaks, towering higher and higher.
To train me to be one of the best astrogators in the universe so I could go into commercial ships and pile up credits!
How many corpses do you intend to pile up before you renounce it—.
Westerlies from the Pacific pile up tremendous waves all along your exit from the passage.
She remembered being commanded to wash her innumerable brothers glistening carapaces, to pile up their dung before the household altar, to let them scuttle over her and explore her body as their dumb curiosity directed them.