A person that appears to be on any controlled drug or any street drug. altering their mind in an overly dramatic way.

A smol chubby talented gay babey.
Appears on southpark. He's addicted to coffee and meth, and loves to play the piano. He's a good singer.
He and Craig Tucker are a couple. Like I said earlier, he gae.

Making uncontrollable body movements or spasms after the consumption of marijuana

A character from the T.V show "South Park". He has very messy blonde hair and supposedly sufferes from A.D.D but his twitching and nervous personality is due to the large amounts of caffeine he consumes. In Series 6, Tweek became the main characters replacement for Kenny, alongside Butters, after he "permeanantly" died at the end of the previous series.

freaked out; scared

to be overly excited at a situation or event that is highly positive and causes exuberance beyond classification of excitement.

Tweeking is any change to a product or document that you think will take two hours but ends up taking two weeks. Tw(o)-(w)eeks.