Told a whopper (4)
I believe the answer is:
'told a whopper' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for lied that I've seen before include "conveyed a false impression" , "Romantic song told a story" , "German art song" , "Told untruths; song" , "Did not speak the truth" .)