Underused Phrases in Conversation

The problem with the world is that it's more boring than a movie. So, what I think more people should do is bring the movies into reality (Note: the names used in examples do not represent actual people and all events are fictional).

--->
The next time a stunning revelation occurs in a conversation, interject a timely "dun dun DUN!"
example:
Monica: "Stan, is that a new tie?"
Stan: "No, I borrowed it from Charlie."
You: "dun dun DUN!!!!!!!"

--->
Any time you hear about potential problems or obstacles in an action or anything in general, throw in a "the plot thickens!"
example:
Charlie: "Let's leave at 5 o'clock."
Sarah: "But if we leave that late we'll hit traffic!"
You: "The plot thickens!!!"

--->
Anytime you hear someone bragging about some sort of ingenious or smart something they did, throw in an exclamation like "Dastardly!"
example:
George: "I found it's easier to eat soup with a spoon than with a fork."
You: "Dastardly!!!"

--->
Anytime you are introduced to a new person by a friend, whisper loudly to the friend "So that's who the evil mastermind is!"
example:
Stan: "Hey, , meet Tina."
You: "Pssst, so that's who the evil mastermind is!"

--->
Anytime you have to go to the bathroom, grab food at a BBQ, or leave the conversation, let a friend know and have him remember everything so he can fill you in when you get back.
example:
George: "And then we're going to the Home Depot, maybe Bed Bath & Beyond..."
Stan: "Are you going to have enough time?"
You: "Hey, Stan, I gotta piss. I'll be right back, let me know what happens."

[new addition]
--->
Anytime in a conversation where the mood becomes somber, or something is said that is absolutely not supposed to be celebrated, give a nice, high-pitched rockstar shout.
example:
Charlie: "I got this month's report, we've got to fire 4,500 experienced employees."
You: "YOW!"

With even this limited list of ideas, any/every conversation can be brightened up!