Nailed it on the head - You said something so blunt it hurt, like you just told your

You said something so blunt it hurt, like you just told your grandma she smells like a dumpster fire.

I told my teacher the answer was wrong and I didn’t care if she cried.

I told my friend his idea was bad and I didn’t let him reply.

I said the answer was stupid and I didn’t stop until I got a warning.