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2 definitions by Balkthor

 
1.
The bottom line; essentially, "This is what it comes down to." Mentioned in the movie "Swingers", subsequently mentioned in "Harry Potter and the Goblet of Fire."
Everyone has a different idea about how to fix the economy, but here's the rub."

"So that's the rub?" "That's the rub."
by Balkthor April 04, 2009
 
2.
In-processing, usually in reference to work documentation. Often used for new military recruits.

"Mr. Harris, the site reports are currently inpro to our field supervisor."
by Balkthor February 05, 2009