Foot the bill (4,2,3,3)
'foot the bill' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for pick up the tab that I've seen before include "Pay the whole bill" , "Assume the expense" , "Pay everyone's bills" , "Pay for something" , "Foot the bill" .)
(Other definitions for pay up that I've seen before include "Hand over the money" , "Discharge a debt" , "Settle" , "Give me the money!" .)
'foot the bill' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for treat that I've seen before include "Stand a drink" , "Pay for - minister to - deal with" , "pay for another" , "Alternative to trick" , "A nice surprise" .)