pettifogger

PRONUNCIATION: (PET-ee-fog-uhr)
MEANING:
noun:
1. A petty, unscrupulous lawyer.
2. One who quibbles over trivial matters.

ETYMOLOGY:
From petty (small) + fogger, perhaps after Fuggers, a Bavarian family of merchants in the 15th and 16th centuries. Earliest documented use: 1564.
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PETRIFOGGER - a student who manipulates the findings found in a Petri Dish simply to gain favor with his biology teacher who is a jerk.