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1 definition by
Bamalama Johnson
COS
An abbreviation
for
Chief of Staff
, the best
drinker
in a group of political workers.
John: Eric was really
hammered
last night after the
fundraiser
. He must have had 20
beers
.
Jason: Yeah, he’s the COS.
by
Bamalama Johnson
April 7, 2008
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COS
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