tweak 

1. Customise or modify (something) to suit a particular individual or task
2. Improve (a mechanism or system) by making fine adjustments to it

synonyms: adjustment, modification, alteration, change, adapt, customise

I am going to tweak the design a little more on photoshop

tweak by eslupmaet June 16, 2014

tweak 

To injure slightly, to sustain a slight injury to (some part of the body), usually while playing a sport.

"The pitcher tweaked his groin on a grounder back to the mound."

tweak by RB Jr. July 18, 2006

Tweak 

To be Up and Fidgity From doing Crystal Meth.

When It's 4 AM U havent slept for days and Ur still wide away your TWEAKING

Tweak by Lisa April 9, 2004

tweak 

to fuck with

"tweak with my squad and we'll catch a body"

tweak by just sumbody December 5, 2014

tweak 

1) to be stimulated by consuming high amounts of caffeine or sugar.
2) to use amphetamine or methamphetamine.

i drank 3 monster drinks and ate a few candy bars at the skatepark and i was seriously tweakin'

a grip of anphetamine pills or a couple of lines of meth can cause you to tweaki all night.

tweak by skaterjack October 5, 2006

tweak 

1. to go beyond extension, or stretching. as in the truth, a snowboard grab, or a body part.

2. to freak out while you're on drugs. (Usually used in correlation with meth users).

Hey, so you kind of tweaked the story a bit, I don't appreciate that.

Did you see him tweak that sick-ass stale fish?

Dude, I can't skate today-- I tweaked my ankle yesterday falling down 3 flights of stairs.

That Guy is fucking tweaking out. Someone shoot him with a super soaker!

tweak by rustyn! January 13, 2009

tweak 

To flip out

Dude, all I said was "hi" and he started tweakin'! What's his deal?

tweak by Anonymous April 19, 2003