Beer with lemonade (6)
I believe the answer is:
shandy
'beer with lemonade' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for shandy that I've seen before include "Lemonade-beer drink" , "Alcohol" , "Beer and lemonade mix" , "Beer and lemonade mixture" , "A misture of ale and lemonade" .)