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1.
Medium to large piece(s) of sharp rock protruding through the surface of a gravel road. When viewed, look somewhat similar to seeing a shark's fin moving through the surface of water.
I hit a Gravel shark while driving and had to go and get my flat tire fixed at the tire shop.
by redsky_304 June 07, 2009

Words related to Gravel Shark

hazard protrusion puncture road rock