A communication system you can have fun with at your local Wal-Mart.
Deal #96 at the intercom and "Dear customers...."
by Isthereanybodyoutthere March 18, 2010
a intercommunication system, a network of loudspeakers connected to a microphone
He chewed me out over the intercom.
by Light Joker June 21, 2007
There was an Intercom meeting last week in St. Petersberg.
by Diggity Monkeez April 16, 2005
a way to talk to children without being seen
some kids were buzzing my brothers front door so he started to talk to the children, i said "stop being an intercom groomer you paedo"
by lanazetec125 July 18, 2011
The act of placing a cell phone with the ringer set to vibrate inside the rectal vault of a sexual partner whilst simultaneously calling said phone.

Variant: having one's friend call said phone during the sexual act.
Hey man, I totally want to set up a California Intercom tonight. Can you call my phone at around 10:30?
by El Pablo Guapo October 8, 2012
"Hey, have you seen Dave?"

"Let's see if we can reach him on the custodial intercom."
by CDuFF105 July 27, 2008
a pa system that is supposed to be used by walmart employees' but is mostly used by customers who are looking to joke around and have fun
josh:(walk over to phone and picks up phone at walmart to use the walmart intercom) attention walmart shoppers' for the next ten minutes all electronics are 50 percent off walmart employees: huh? who just made that announcement!!!!! i think someones playing with the intercoms again!
by garra sandman April 15, 2009