A sort of "middle man" on the internet. Normally when you go to a website, you send your "request" packets straight to the site's server, and then the server sends "reply" packets back which is what you see as the website. With a proxy, you send your request packet to a server, which then sends a new request packet to the website's server, which then sends back a reply to the proxy's server, and the proxy sends the web site to your computer. This can be used for anonymous surfing on the web. Not all proxys are anonymous, though. Some just edit the packet they send to have your IP address instead of the proxy's, then the reply goes straight to you.
"Someone found out my IP address and gave it to hackers, so I changed it and now I use a proxy so no one can see my real IP."
by Ninja Slayer January 19, 2005
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A server which enables you to browse the internet privately under a different IP Address. It basically emulates you browsing the web on a different computer hooked up to a different internet connection. Due to proxy servers being remote and possibly far away from you, they are usually slow or slower than your normal internet speed. Using a proxy server does not mean that your computer does not record your internet history, which will have to be cleared by you manually. Also, see proxy server.
1) You are advised to use a proxy server when you're browsing porn or performing illegal online activities because it makes you anonymous, decreasing the chance of you being identified.

2) Because Urban Dictionary determines whether you've liked a definition based on your IP Address, you can use proxy servers to like your own posts or like posts multiple times.
by rfrsiopgjdog February 8, 2015
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acting as substitute for another, or what h4x0rs use to be "invisible"
Kevin Mitnick should have used a proxy.
by [KdAwG] December 12, 2002
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Internet tool used by:
1. people to retain their anonymity.
2. trolls to evade bans on websites.
3. idiots to access websites they shouldn't be accessing when they should be working.

Proxies are usually marketed towards the latter.
1. Person: Might wanna use a proxy so we don't get in trouble.

2. Troll: About time they banned me. Time to use a proxy...

3. Idiot: lyk omgz did u no der r deez thingz calld proxiz && u can uze dem 2 get on myspace wen ur at skool????/
by Tisteca July 26, 2007
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the ultimate weapon for school kids everywhere, there will never be a shortage of them so there will always be one that works
person 1: shit my favorite website has been blocked, what a bummer
person 2: try this proxy website it unblocks everything
person 1: everything??!!
person 2: EVERYTHING!!!!!
person 1: cheers m8
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A nifty little thing to use when you get permaband
I am the god of impermabandom, I use an anonymous proxy
by MORONS January 23, 2004
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To have sex with someone by proxy, ie. their brother or sister.
I had sex with Sandra Bullock's cousin's cousin Heather Bullock and thus I proxied Sandra Bullock.

Dude, your wife's sister is hot.. How's it feel to proxy that?
by J e r e m y March 18, 2010
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