Top Definition
Refers to a person who desires to pursue in enjoyable activities that often blur the line of legality (slighty), but during said acts, this person had the tendency to run for the car, and bail at the last minute. A safety Sumler aspires to the freedom of living life to the fullest, but appears to be restrained by an inner fear of being caught.
While setting off fireworks near power lines, Safety Sumler over there ran for the car.
by Blodgett April 20, 2010

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