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1.
A person who replaces a friend who is of the female species with another of similar species. A typical example of a replacer would be one Eoin O'Sullivan. Recently he replaced Carol Tully with Aislinn Mahon in one swift movement.They now enjoy lunch dates on a regular basis, what a complete bellend!

It was a LOL riot
Eoin 'The Replacer' O'Sullivan
by John China May 06, 2010