A person who targets a group of people and stops at nothing to hang out with them. They usually target one of the nicest group members first, then make their way to the best looking one in the group, therefore allowing them to slowly become a part of the group, even though they are disliked.
Man that Codie girl made you drive for 45 minutes to a San Diego resort. She's a definately a leech.
by John Quesando August 9, 2009
Get the leechmug. Any person who has no personality of himself, so as a result, he/she/it will suck every piece of personality that you have, he/she/it will become another you, but will probably be much more ugly.
by Jordan, Gram August 26, 2006
Get the leechmug. To steal another site's bandwidth, usually by showing a picture directly instead of linking to the site. Leechers can normally expect their file to be swapped for something horrifying.
Poster #1: YEEEEEEARRRGH!!!! That picture I posted changed into the Harlequin Fetus!
Poster #2: That'll teach you not to leech, fag.
Poster #2: That'll teach you not to leech, fag.
by Freddy November 16, 2003
Get the Leechmug. a person who downloads excessively from the internet, regardless of the content, they need to keep their connection fully utilised 24/7...
OMFG, he leeched like 500 gigs last month!
Comindico sucks cause there are so many fuckin' leechers!
Comindico sucks cause there are so many fuckin' leechers!
by mr a March 11, 2004
Get the leechmug. 
Term used to describe a woman who is pushing 40 and still lives at home with her parents and sucks the life out of them.
by Freethewhale July 19, 2010
Get the Leechmug. Type of behaviour that constitues extreme insults, emotional and sexual harrassment in the workplace. The 'Leech' will often blame his own dispicable behaviour upon other colleagues, and has NO FEAR of Human Resources or indeed his own conscious.
by Leech-Victim March 4, 2009
Get the Leechmug.