What Does “Top sb up” Mean?
“Top sb up” means to add more money, credit, or resources to someone’s account or balance. It is often used when increasing prepaid phone credit or similar balances.
Introduction
The phrasal verb Top sb up is commonly used in everyday English, especially when talking about adding credit or money to someone’s account. For example, if your friend’s phone credit is low, you might “top them up” by adding more money to their prepaid phone balance. The top sb up meaning usually involves increasing an amount to keep something active or functional. This phrase is popular in informal settings and is useful for anyone dealing with prepaid services, gift cards, or even informal financial support.
Quick Info Box
- Phrasal verb: Top sb up (top somebody up)
- Type: Transitive
- Level: B1 (Intermediate)
- Short meaning: To add more credit or money to someone’s balance
Structure (Grammar Rules)
“Top sb up” is a separable phrasal verb. This means the object (sb) can come between “top” and “up” or after “up.”
- Top sb up (correct): I will top you up with some credit.
- Top up sb (also correct but less common): I will top up your phone.
Usually, the pronoun goes between “top” and “up”:
- Top you up
- Top her up
How to Use Top sb up?
Use “top sb up” when you want to describe adding more credit, money, or resources to someone’s account. It’s often used with mobile phone credit, prepaid cards, or even informal financial support. The phrase emphasizes increasing a balance or amount that someone has.
Common subjects include phones, accounts, wallets, or any prepaid service. The object is usually a person or their account.
Examples
Imagine your friend’s phone is about to run out of credit, so you decide to help.
- I’ll top you up with £10 so you can call your family.
- Can you top me up before I go out? My phone credit is almost finished.
- She topped her brother up because he needed more data for the weekend.
- We usually top our kids up with some money for their phones every month.
- He asked his sister to top him up after he ran out of prepaid credit.
These examples show how to use top sb up in a sentence naturally.
Common Mistakes
Many learners confuse the order of words or misuse the phrase.
- Incorrect: I will top up you money.
- Correct: I will top you up with some money.
- Incorrect: She topped up her brother.
- Correct: She topped her brother up.
Remember: when using a pronoun (you, him, her), put it between “top” and “up.”
Differences / Synonyms
Similar phrasal verbs include top up, fill up, and recharge. Here’s how they differ:
- Top up: Usually means adding credit or money to someone else’s balance.
- Fill up: Refers to filling a container with liquid or fuel (e.g., fill up the car).
- Recharge: Often used for phones or batteries, meaning to restore power or credit.
“Top sb up” is more specific to adding resources to a person’s account, while “top up” alone can be more general.
Common Collocations
People often use “top sb up” with specific objects related to money or credit. Here are common collocations:
- Phone credit: Adding money to a prepaid phone.
- Account: Increasing balance in a bank or online account.
- Wallet: Adding funds to a digital or physical wallet.
- Data: Adding internet data to a mobile plan.
- Balance: Increasing the total amount available.
Related Phrasal Verbs
Here are related phrasal verbs of top sb up:
Real-life Dialogue
Here is a short conversation between two friends:
Anna: Hey, can you top me up? My phone is almost out of credit.
Ben: Sure! How much do you need?
Anna: Just £5 will do.
Ben: Done. You’re topped up now.
Practice
Try to complete the sentences with the correct form of “top sb up.”
- I will _______ you _______ before the trip so you can call home.
- She asked me to _______ her _______ with some extra data.
- Can you _______ me _______? I’m running low on credit.
FAQ
- What does “top sb up” mean? It means adding more credit or money to someone’s account or balance.
- Is “top sb up” formal or informal? It is mostly informal and used in everyday conversations.
- Can I use “top up” without an object? Yes, but with “top sb up,” you usually include the person.
- Is “top sb up” separable? Yes, you can place the object between “top” and “up.”
- Can “top sb up” be used for things other than phone credit? Yes, it can be used for adding money or credit to any prepaid account or wallet.

