East Australian Current 

surface oceanic current, a section of the counterclockwise flow in the Tasman Sea, southwestern Pacific Ocean. It is formed by water masses from the Coral Sea—equatorial water driven by monsoonal winds from January to March and eastward subtropical flow from April to December—which pass southeast between the Great Barrier and Chesterfield reefs (20° S latitude), paralleling…

their was no "coining" of anything by any movie, the EAC was discovered over 100 years ago

East Australian Current by david May 13, 2005

East Australian Current 

coined off of the movie Finding Nemo, the koolest characters were the stoner sea turtles..

K: Hey Crush lets go hit a joint.
M: Totally, dude, we be floatin on the EAC.

East Australian Current by Kat November 20, 2004