Are you going to the moon?

It is a famous saying of a Mathematics teacher in La Salle College, Hong Kong. He used it to express his dissatisfaction on students who packed their school bags before the bell even rings. In normal conditions, it can be used to question someone who is going away to obviously nowhere for the purpose of avoiding something deliberately.

30 secs till bell rings, random student packs his bag.
Teacher: are you going to the moon?

I’m going to be a failure

I’m never going to get anything. I might as well think about ending this life. I have no job skills. I’m way out of luck

I’m going to be a failure.

to go apes

To go express oneself wildly or savagely, as an ape would.

My friend and I were having a good time, but when he made fun of my little sister, I had to go apes on him.

Go Shag Dot

When someone in a group just isn't liked, and everyone tells them to "Go Shag Dot" when he/she speaks.

Girl (who is liked); Hey, do you all want to come to my house?
Group; Yeah, sure
Boy (who isn't liked); Then we can stay at my house?
Group; Go Shag Dot!

Pump and Go

The process of driving a car on the highway and not keeping a constant pressure on the gas. The driver gets up to speed, take their foot off for a bit, and then accelerates again.

"Man, your Dad is really a pump and go driver on the highway."

25 Going On 16

adj.- A young adult who acts like a teenager. Typical when said person has the most insane squad on the planet.

Girls all like: My brother is 25 going on 16.

To go to Dublin

To be in Dublin or to go to Dublin(originally used in German) describes a person being high. It finds it's origin in Dublin, when a few Austrian Students met a drug dealer and stoner, who offered them "chocolate caramel", which was a specific type of drug.
The joint itself is called "ticket to Dublin"

Julian: Man Id love to go to Dublin today, you joinin me?
Jonas: Sure, ill get the tickets and we're gonna have much fun!