Top Definition
An education from an informal source or in an informal setting. eg: off of the streets, from someone who isnt a teacher/professor, etc.
I got my underground education in chemistry from Danny before he got busted for cooking meth.
by mm_202 January 17, 2007
A education from an informal source. eg: the street, a neighbor, etc.
I got my underground education from the crack dealer down the street.
by mm_202 January 16, 2007
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