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1.
In which a person's boxer shorts fall down off of their waist completely while their jeans remain perfectly in place.
I was walking down the street one day when I experienced some amazing continental drift. I felt free.
by Zorgithatoob March 08, 2012
 
2.
When people of an extremely large size get off their ass/couch and make it out of the house to adventure into the world.
Guy 1: Hey you see how fat that person is? Im suprised theyre not at home eating their face off.

Guy 2: Yeah im suprised too. We got a serious case of continental drift.
by thatguy105 October 31, 2010