twik
transitive verb
1. to pull, pinch, or pluck with a sudden, often sharp, twisting movement.
Teasingly, she tweaked his nose.
2. to make a small adjustment or adjustments to; fine-tune.
They tweaked their algorithm so that searching is now more efficient.
Editor’s Note:
The word “tweak” has recently become slang for the drug methamphetamine. “Tweaking” can refer to the compulsive, repetitive behavior of one addicted to meth.