Fancy tusker losing heart to girl (7)
I believe the answer is:
elegant
'fancy' is the definition.
(thesaurus)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for elegant that I've seen before include "Neat leg? (anag)" , "excellent!" , "Graceful - refined" , "Tasteful and refined in appearance" , "Ingenious" .)