Refugee Regatta

Etymology
From +, referring to the fact that the influxes tend to be seasonal, occurring normally during the cooler months.

Noun

 * 1)  An influx of illegal immigrants or refugees attempting to enter the country by sea; an influx of boat people.
 * 2) * 1983, Redgum, Caught In The Act, song, on the album Caught in the Act,
 * Get an Esky, fill it full of cans, get your dope, go down to the beach, roll a big spliff about that long sit on the beach at sunset, have a few cans, and watch what they call up in Darwin the Refugee Regatta.