It has several different names depending on he culture or style of fighting or sport.
In judo it is ura nage (rear throw)
http://judoinfo.com/images/animations/bl...
suplex
Yeah, it's pretty much just a straight suplex. Kind of looks like a judo ura nage too. Slamming somebody in a street fight is rarely a good idea. The legal liabilities would be absolutely brutal, but there's no reason it wouldn't work in a strictly physical sense.
Suplex throw
Probably suplex.
https://www.youtube.com/watch?v=Rs6B3uXXllI&feature=kp
at 2:34 , looks like a suplex? Would this be effective in a street fight?