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1.
The cav is the "trailer trash" of the Army.
The dog's pregnant and the trash has been eaten, looks like the Cav Scouts have been here.
by FutureCavScout December 08, 2010
 
2.
A trooper in the US Army.
The best damn soldier to ever wear a stettson.
See cavalry scout
I wouldn't mess with him, he's a cav scout.
by Josh May 29, 2004