Blush when impaled (5)

I believe the answer is:

gored

I'm a little stuck... Click here to teach me more about this clue!

'impaled' is the definition.
(gore can mean to stab or impale)

I cannot understand how the rest of the clue works.

(Other definitions for gored that I've seen before include "Pierced by, eg, a bull's horn" , "Wounded by bull's horns" , "transfixed" , "Pierced - blush (can be 5 or 2,3)" , "Wounded by a bull" .)

I've seen this clue in The Daily Express.

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.