I can't say it's my best moment, but they were belittling OP's achievements so I was belittling their statement. I wouldn't go so far as to call it a joke, but

I can't say it's my best moment, but they were belittling OP's achievements so I was belittling their statement. I wouldn't go so far as to call it a joke, but I thought it might show a bit of support for OP