Used to describe a variety of different things, including: mass, time, distance, sums, etc.. The prefix of "fo" is added before hand simply because nothing can exceed or be less than such.
Lucy - "Everybody, shut the fuck up! The HNIC will here in fo clips!"

Bystander #1 - "You see that guy's arms?"
Bystander #2 - "Yeah, he must bench press about fo clips!"
by qAaRoN March 25, 2008
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