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- Greñudo Loco(s) is a crazy Mexican metal head. While Greñudo locos are primarily Mexican there are also many South and Central Americans who are defined by this term aswell.

- The equivalent of the hooligans in Europe.

- The term was coined by Brujeria a Mexican death metal band.
Adrian is a real Greñudo loco when he drinks.

Esos roqueros son maricones , Greñudo locos son mas cabrones !
by Kevin Contreras September 07, 2006
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