Top Definition
when a person is a series of mean. containing jerk and ass and some one who diserves a throat punch. and the fist part makes it sound a little more real.
1. lauren is a jerkasserfist becuase she ate my last cookie.
2. what a jerkasserfist, that guy just totaly ran a stop sign and hit my on my bike.
by birdy s..p..i..e..r..s July 21, 2009
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