K-Word
The K-Word is just 'kys' and you say it like it's the worst thing ever. It's the lazy man's way of saying 'kill yourself' and you're too tired to say it right.
"He said the K-Word like it was the worst thing ever."
"She used the K-Word because she was too lazy to say it all."
"They said the K-Word and it was like they were being sarcastic."