top-up cardˈtop-up ˌcard noun [countable] 
a card that you buy in order to be able to continue using a pay-as-you-go mobile phone
a card that you buy in order to be able to continue using a pay-as-you-go mobile phone- wildly
- wildness
- wild rice
- Wild West
- Wile E. Coyote
- wiles
- wilful
- wilfully
- wilfulness
- wiliness
- will
- willful
- Will, George F.
- William I
- William III
- William II, King
- William of Orange, King
- William, Prince
- Williams, Hank
- Williams, John
- Williams, Ralph Vaughan
- Williams, Rowan
- Williams Sisters
- Williams, Ted
- Williams, Tennessee