To pinch and pull with a sudden jerk and twist; to twitch.
To exhibit extreme nervousness, evasiveness when confronted by authorities, compulsiveness, erratic motion, excitability, etc, due to or mimicking the symptoms of methamphetamine abuse.
To adjust slightly; to fine-tune.
To abuse methamphetamines, especially crystal meth.
To tease, to annoy; to get under the skin of (someone, typically so as to irritate them, or by extension to enamor, frighten, etc).
A sharp pinch or jerk; a twist or twitch.
An additional input to a block cipher, used in conjunction with the key to select the permutation computed by the cipher.
A slight adjustment or modification.
Trouble; distress; tweag.