Definitions
1.verbTo pinch and pull with a sudden jerk and twist; to twitch."to tweak the nose."
2.verbTo adjust slightly; to fine-tune."If we tweak the colors towards blue, it will look more natural."
3.verbTo twit or tease.
4.verbTo abuse methamphetamines, especially crystal meth.
5.verbTo exhibit symptoms of methamphetamine abuse, such as extreme nervousness, compulsiveness, erratic motion, excitability; possibly a blend of twitch and freak.
6.verbTo exhibit extreme nervousness, evasiveness when confronted by law enforcement or other authority (e.g., customs agents, border patrol, teacher, etc.), mimicking methamphetamine abuse symptoms.
7.adjectiveHallucinating, especially under the influence of crystal meth or similar narcotics.