eff you see kay why oh you

These slang words, when fully sounded out, mean "F-U-C-K Y-O-U"
Some people write, draw, or text this sentence to someone just because they are scared of fully just saying "fuck you."
And most adults, supervisors, or teachers wont notice it. They would this its just some funny slang for no reason or another.

Guy 1: "Too bad, Gerald! You missed the party! It was awesome, oh boo ho!"

Guy 2: "You know what? Eff You See Kay Why Oh You!!"