What is Thxkbai?
Implies gratitude, acknowledgement and departure all at once. Often used at the end of a quick online conversation in which one asks someone else for a favour.
Person #1: Hey man can you write my essay for me by tomorrow? It's about the Hungarian Revolution of 1956 thxkbai.
*Person #1 has signed off*
Person #2: ...
Person #1: Gimme fifteen bucks.
Person #2: No man, fuck you.
Person #1: thxkbai.