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'.

when you're hungover as shit after a spending a night drunk as a skunk

The act of constantly bumming food, cigarettes, weed, lighters, or anything they can from friends but never giving it back or repaying them.

Leeching (verb) comes from the subject leech. A leecher is a person who are a part of something, but dosent do shit.

Taking snippets of code from various forums or open sources available code, and then releasing an application from himself.
Activity of a leecher

Posting an image file directly on a message board or website without linking to it, or the site that it came from. Leeching tends to be hell on the original site's bandwidth, and it is customary to swap the image for something embarrassing and/or disgusting.

A girl/guy that sucks on their partners genitals similar to a Leech.