When people go to a fast food restaurant drive-in and ask for specials..no tomato,hold the bun leave the lettuce,not too much..etc etc. All the time holding up the entire line.
That dude is just "talkin to the box" where does he think he's eating Red Lobster?
A famous movie quote from the movie Taxi Driver, where Travis Bickle(Robert De Niro) looks himself in the mirror and imagines what he would do if he were to be confronted by a bad guy.
This quote is also very fun to use in everyday life.
"You talkin' to me? You talkin' to me? You talkin' to me? Then who the hell else are you talkin' to? You talkin' to me? Well I'm the only one here. Who the fuck do you think you're talking to?"
Teacher: "Why didn't you do your homework?"
Billy: "You talkin to me? who the fuck are you talkin to?"