sha bye
Just a fancier and more stylish way of saying "bye"
"Omg you're irritating me I'm getting off the phone sha bye Keisha "
Sha-bye
When someone is spouting so much bullshit and you want to get out of the conversation with style.
Idiot #69: "The earth is flat."
You: "Boi, sha-bye." *hair flip*
You: "Boi, sha-bye." *hair flip*