Usually something you say when you are speechless or don't want to say, "Omg" or "Oh my god/gosh!"
Make sure to say it loudly to get peoples attention, it works for most people, if your a socialy awkward then this is nothing but a computer message, cause if you use this then people won't.... Whatever...
"Who do you think is better, me or Jessi?" Cathy said.
"Yea whose better?" Jessi answered.
"....." Kaelyn paused speechlessly, "CUTE PUPPY."