"I...I don't know what you're talking about, Delprat-san." -avoids eye contact on purpose-

"I thought I heard you talking to your friends about it earlier, you seemed pretty excited about it."

"It's a sub-culture of a sub-culture, let's go with that.."

"Right, whatever you say, mate. Now, show me an example."

"You alright, mate? You're looking kind of red in the face?"