Spend extravagantly (5,3,4)
'spend extravagantly' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for splurge that I've seen before include "Spend money freely, be extravagant" , "Binge, fling" , "Fork out" , "Squander" , "Extravagant spending spree" .)
'spend extravagantly' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for lash out that I've seen before include "Strike (or spend) wildly" , "React violently" , "spend a fortune" , "React aggressively" , "Become suddenly aggressive" .)
(Other definitions for break the bank that I've seen before include "Win casino's maximum" , "Win the maximum at 9 18" , "Spend on something more than one can afford" , "current expansion may" , "as bore might, with disastrous results" .)