Top Phone Sth Mobile Meaning Completely Fill Glass

Meaning: to completely fill something like a glass or a container, or to increase the level of something like a phone card

• top sth up A waiter was topping our drinks up whenever they needed it.
  
  
• top up sth What's the easiest way to top up a mobile phone card?
  
  

Nouns often used as objects with top up: glass, drink, kettle, tank, phone card, mobile phone, account