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13.
To give positive publicity and/or promotion of an item/object/company/event to a listening audience.
Do you want me to throw in a plug for your event at this dinner I'm going to?

I'm here because I want to give a plug for my friend about his new business.
by Mancunian0489 October 04, 2011
 
1.
a source from which to score drugs, principally marijuana
yo, lemmie get the number of your plug man...
by boom boom b July 14, 2004
 
2.
Adjective. A word used to describe someone who is completly and entirly useless.
Holy Shit Peebles you fucking Plug!
by BMOUNZ May 02, 2005
 
3.
the jewelry worn in stretched piercings. not called gauges. gauges are what the sizes are called. calling it a gauge would be like somebody asking you what you bought, and instead of saying a tshirt you said "A medium".
The kids plugs are 00 gauge.
by bob November 13, 2003
 
4.
A plug is a contact from another country who ships and grows drugs.
I need to meet my Plug from Colombia at the docks.
by Sean Mul April 16, 2009
 
5.
a word-of-mouth endorsement usually from a celebrity on TV
shameless plug
by Anonymous August 29, 2003
 
6.
A word that refers to an ice hockey player who is the useless part of the team. He is the "orange cone" on the ice. Always in your way and never does anything to help your team win.
Brian never helps the team, he's such a plug.
by Sniper9 September 07, 2009
 
7.
something much bigger than a drug connect ... most likely a cartel that supplies and distributes intense large amounts of drugs to a vast area .. usually its cocaine, heroin or meth .... a plug meaning they supply the "connects" with large quantity of drugs and the connects distributes to dealers and soo forth
plug = connection = supply = energy
by timtebow88 January 04, 2012