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1. To do something to make someone else look smarter.
2. To go out for burgers and "laugh it up" with a friend.

Used by Will Ferrel durning his May 2009 appearance on SNL.
VP Joe Biden, in accordance with his namesake, regularly makes gaffes to biden it up for President Obama.

Former VP Dick Cheney has never effectively bidened it up for Former President George W. Bush.

In an attempt to overshadow the Republican's public stunt, President Barack Obama and VP Joe Biden invited the media to biden it up at Ray's Hell Burger.
by TisbearA May 23, 2009
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