Barack Obama, pothead mooch.

The website BuzzFeed obtained a copy of the book, “Barack Obama: The Story” by David Maraniss, and excerpted the parts about Obama’s pothead youth.

Among the highlights:

— Obama was known for his interceptions. This is the act of joining a circle of people passing around a joint, taking a hit and yelling, “Intercepted!”

— Obama and his friends at the Punahou School in Hawaii called themselves the “Choom Gang” — choom means smoking weed — and drove around in a Volkswagen bus called the “Choomwagon.”

Later in life, Barack Obama would go from mooching marijuana to mooching history.