dampback 

Half Mexican, Half American Childred

I'm an American and I married a mexican and my children are dampbacks

dampback by mickey mmmmm January 12, 2008

Dumpback Whale

The act of exsposing ones naked rear end while swimming, as a whale would flip it's tail in the air before diving.

We spotted a dude pulling off a dumpback whale at the pool today.

Dumpback Whale by Hedwund April 9, 2010