Made by danger sold by t-mobile. One of the most popular phones to the urban world. And mostly purchased by myspace addicts.

Its all about the sidekick 3.
if you don't gotta kick to flip.. you might as well flip a tit.
by 0hithinKtHeyLiKeMe August 30, 2006
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A popular phone made by Danger Inc. and offered by T-Mobile which features a Web browser, email, instant messaging as well as being able to talk to others.

Its featured on Nappy Roots' song "My Sidekick"
"I think she want it"
how you know..?
"I know because my Sidekick goes.."beep beep beep beep beep..."
by mil-town November 8, 2006
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Somebody other then your main boyfriend or girlfriend; Lover on the side.
"A man can have a main dame and his sidekick chick on the side."
by 1Cinnabun March 14, 2008
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The hottest and greates piece of technology on earth (even though its not the most hightech) made popular by celebrities this phone is amazing (I'm on it right now) it can do many thingz aol,yahoo,web browser,camera,email,note taking, huge phonebook,light weight,cool swivel screen,great aplications and a BEST FRIEND
"I Wrote this definition on my sidekick2"

"Hey fool crystal's all showing off her lil flip phone pull out ur sidekick2"
by O.P.G April 29, 2006
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A cell phone that is often stolen, because it has a removeable SIM card.
person 1 "Dude, some guy stole my sidekick!"

person 2 "Yeah, i told you that would happen."
by bombkitten, like duh January 5, 2009
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This person is almost always with a partner called a Buddy. Sidekick tends to enjoy the company of Buddy's girlfriend or boyfriend. When asked, "How's it going?" the sidekick may respond "Not much"...(long pause)..."You?" The sidekick may either be in class, the computer lab, or working out. The sidekick may be more or less powerful than the Buddy, but they tend to train in some form of Karate.
"Looks like Sidekick just got back from working out."
"There's Buddy and Sidekick."
by Gatman and Thicke May 4, 2009
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The person in a group of two that is the lesser. He/she is typically lacking that umph that the hero gives, and gets stuck with red tights. Many sidekicks took too long to develop their social skills, and were major douche bags.
Sean: "Robin is the perfect sidekick. He just sits there in red tights while Batman jumps and does ninja stuff."
Larry: "True that."
by Leonitus March 26, 2007
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