If something is a dime a dozen , it means it’s very common and not particularly special or valuable . The idea is that it’s so easy to find, it’s almost worth nothing.

Use this phrase when talking about people, things, or situations that are extremely common or not unique.

In casual American slang, “all” is used to mean very — especially when describing someone’s emotions or behaviour. It can also mean “so” in a slightly teasing or exaggerated way.

- He was all nervous = He was very nervous.
- She was all happy = She was very happy.
- Don’t get all emotional = Don’t get so emotional.

It adds a relaxed, conversational tone — the kind you hear in everyday speech rather than formal English.

If someone says “I’m all ears,” they mean you have their full attention — they’re listening carefully and ready to hear everything you want to say.

Use this phrase when you want to show interest, curiosity, or readiness to listen. It’s friendly, informal, and very common in everyday English.

An all‑nighter is a period of working, studying, or doing any activity that lasts the entire night — with no sleep at all. It’s usually done to meet a deadline or finish something important.

Most commonly with “pull” → to pull an all‑nighter = to stay awake all night to get something done.

Ammo is a shortened, informal slang form of “ammunition.” It refers to bullets or any kind of projectiles used in guns or weapons.

Use “ammo” in casual conversation when talking about running out of bullets, needing more ammunition, or discussing supplies in games, movies, or real‑life contexts.

An angle is a clever, sneaky, or slightly dishonest plan — a hidden strategy someone uses to get what they want. If someone is “working an angle,” they’re not being fully open about their intentions.

Use this when you suspect someone has a secret motive, is trying to manipulate a situation, or is looking for a personal advantage.

24/7, non‑stop, all day and night without any breaks.

Use “around‑the‑clock” to describe activities, services, or monitoring that continues continuously — day and night. Common in professional, medical, security, or emergency contexts.