Starts panicking about money and also about drinks (9)
I believe the answer is:
smoothies
'drinks' is the definition.
(smoothie is a type of drink)
'starts panicking about money and also about' is the wordplay.
'starts panicking' becomes 'shies' (as in a horse shying).
'about' means one lot of letters goes inside another.
'money' becomes 'm' (abbreviation used in economics).
'and also' becomes 'too'.
'about' says the letters should be written in reverse.
'too' written backwards gives 'oot'.
'm'+'oot'='moot'
'shies' enclosing 'moot' is 'SMOOTHIES'.
(Other definitions for smoothies that I've seen before include "Drinks of pureed fruit" , "They're thick" .)