Freud's sexual urge (6)

I believe the answer is:

libido

(Other definitions for libido that I've seen before include "Strong urge" , "Emotional energy associated with sexual desire" , "Vital urge" , "I'd boil over with sexual energy" , "Sexual drive" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.