A fictitious burrowing organism of the Zerg race, belonging to the Starcraft universe. Lurkers are born from the metamorphosis of a hydralisk.
A swarm of overlords dropped a dozen lurkers in my base. No SCVs survived.
by SCV_Master December 15, 2008
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Lurkers lurk. This lurking may exist in the form of excessive monitoring and creating of PT threads, checking out other people's myspaces without the intention of leaving a comment or message, or hitting on/trying to get with someone. Most people are a lurker sometimes, but you aren't truly a lurker until PT or myspace is used everytime you see a computer, or you're creepy (possibly old) and hit on mad girls.
I was lurking on PT instead of writing my paper!

Oh my god he is such a lurker!

Wish I was lurker... Wish I was on myspace...
by mulberrysdream May 07, 2008
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<noun> A term used to describe a person, usually male who "lurks" - appears out of random corners, happens to "bump into you" or always seems to be at the "right place at the right time" aka - where you are. A lurker tends to be the last person who left you a message in your inbox or sent you a series of pointless and annoying texts right after passing by you (it still remains a question how he got your number in the first place), and it is extremely rare for any girl to have the desire to respond to these pitiful cries for attention.

When you do have a face-to-face encounter with a lurker, conversation usually consists of really awkward tidbits that never develop into anything remotely meaningful or could also take on the form of an interview session, during which the lurker asks you a series of questions to which he clearly knows the answers to, as made evident through his history of extensive stalking. Encounters with lurkers leave all women with an incredibly overwhelming sense of awkward displeasure.

Tip: Women -Avoid lurkers at all costs ; Men - Never become a lurker.
"Yeah I thought he was cool, but he turned out to be a lurker"

"Ugh he won't stop calling me. What a fucking lurker!"

"That kid is such a lurker, it's disgusting."

by The Chase January 06, 2009
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Someone who is constantly on myspace looking at the same people that they don't know over and over again to see if they have new pictures, who their friends are etc. etc.

Lurkers often lurk in packs, to show their fellow lurkers their lurkees, and to show off their taste in lurkees.
Koala is such a lurker, every night she sits in front of her laptop on myspace, lurking people she suspects may be cooler or prettier than she is.
by panders September 26, 2005
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Person who has less than 5% of the average user's number of interventions in an online community (sometimes even 0 interventions), yet seems to know everything about everyone. He's the one saving all of your Myspace photos in his computer without ever leaving a comment on them. After a week of lurking, he learns the ways of an online community better than very old members of it.

In real life, a lurker is a person who "happens" to overhear the most intimate of conversations and witness some key moments without many people even noticing he's there.
It's the 3925th time (random number) I go on Urban Dictionary, but the first time I post a definition. I guess that makes me a lurker.
by Insert Nickname Here June 20, 2010
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A guy who creepily stands on the edge of any dance floor, who came to the venue alone, and is there for the sole purpose of making moves on any unsuspecting woman who strays from her group. He generally sneaks up from behind.
Dance closer to me, you guys; I see a lurker over there who is waiting to move in on me.
by Char and Karen December 21, 2008
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Starcraft character (Zerg race), a large crab like creature that hides underground and attacks with spikes, otherwise know as a Mudspiker.
Fuck those Mudspikers just mudspiked my base.

Jesus fuck my mudspikers just got owned by Frogs (Zerglings).
by Jimmy July 30, 2003
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