"I'll definitely bring the kettle cord."
This isn't as absurd as it sounds, as the cord for an electric kettle used to also be the same cord for older home computers. Same plug! This also hints to an attentive listener that the guy is talking to an older person. ;)
"So, he's kind of making it a big deal."
Yes, he whispers "he's", but it's definitely there. You're right in thinking that it means something important.