kai kai
When you and your friend totally agree on something, and you shout "KAI KAI" like you're in a drag show and you're both the star.
"You said I was the best drag queen ever, and I said kai kai."
"We both agreed the wig was the best, so we shouted kai kai."
"When we both said the same thing, we yelled kai kai like we were in a drag battle."