To download without giving anything in return, esp. a huge file. To suck (bandwidth) dry, as a leech would.
Also: 'leech-light' - the HD activity light when on 'full'.
Synonyms for leeching
On this page, you will find 30 slang terms related to leeching. Some of the top words include: DL'D, 56k, fuck sponge, kazaa, Kazaa, and 25 more.