look up any word, like fleek:
being a dumb ass
jim your a fucking tweaker you know that
by tweaker101 July 19, 2010
Some one who twitters too frequently
Wow your sister is such a tweaker, I mean she has like 87 posts a day.
by BeanyStiney April 07, 2009
a man/woman who does an action that may seem strange or efed up to the people around them
hahaha look at that fukin tweaker. haha wtf is he doing?
by l)yl_A/V February 14, 2008
A text message, or SMS
"Where's Hayden? Is he running late?"
"I don't know, I'll send him a tweaker and find out where he is."
by Religioo January 15, 2010
1 A thing you hold and point at the t.v. to change channels.
1 'Oh no, it's Mandelson (or other politician of choice), pass the tweaker quick.'
by Sue d'Aunim December 06, 2009
a hyperactive, annoying little kid
you are a tweaker
by Jared Blash September 22, 2008
1. A person who customizes an operating system, a.k.a. MS Windows or Linux.
2. A person who speeds up their computer. See also overclocker.
1. You know Ken, always changing his settings. Such a tweaker, really.
2. Hey, that Dave guy burned out his CPU again, tweaked it too much.
by Toba September 22, 2004