"I'll be darned!" (3)

I believe the answer is:

gee

(Other definitions for gee that I've seen before include "Mild exclamation" , "that's something" , "Urge horse - expression of surprise" , "Wow!" , "Well I never" .)

I've seen this clue in the Universal.

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.