Well that is what it means, or simply it reads as 'Tata' or 'Ta-ta' which means 'bye'
NB : Ah, okay. So ?
AB : So, nothing. I guess Tada :p
NB : Tada, eh what is that ?
AB : I mean Ta-ta(bye)
NB : Oh, well then tada :) !!!
Ninja: Thats great Ted...just great but what about your dignity?
Midget Ninja: Ya dude...I had no idea you could make an X-ray with a lamp, a light socket, a camera and the anus.