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Similar to DFO, Someone who really enjoys being surrounded by people of the same sex
man DAVE F. is a real gunthug.. he always hanging around with the dudes
by big G. AL March 17, 2010
Originally, an armed private security "detective" primarily concerned with breaking labor union strikes.

Currently, any violent criminal with a firearm.
There's Pinkerton gun thugs outside. Hide the children while I check the rifles.

Omar is a gun thug.
by needsfishauce February 11, 2011