top up — add credit/money to a phone or card
phrasal verbB1core
to add more credit or money to a phone, travel card or pay-as-you-go account
Pattern: top up + something / top something up
In use
- I need to top up my phone before I run out of data.technology
- Can I top up my Oyster card here?technology
Common mistake
Don't say 'fill up my phone' for credit — it's 'top up'.