shame attack 

A reaction of embarrassment/ self-hatred.

I can't believe I spent £150 in Primark on Saturday, I'm having such a shame attack!

I'm having a major shame attack! I can't believe I did that!

Whatever you do, make sure you don't get a shame attack in the second post. You've done nothing to feel bad about.

He had a major shame attack when I found out he'd been chirpsin other girls.

shame attack by Eliza Jagger September 19, 2006

Shame Attack 

The physical and emotional reaction to doing something particularly shameful.

"What's a 'shame attack?' Like what happens after you do something particularly shameful ... like getting shot down by a 34-year-old."

Shame Attack by goirish1986 August 28, 2011