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1.
A car ride taken solely (or almost solely) for the covert smoking of cannabis.

It's name references marijuana's unjust illegality and emphasizes its consumption as not just a relaxing recreational activity, but also as an act of civil disobedience.
Steve: Yo man, you wanna go on a freedom ride after school today?

Tom: hell yeah.

"Freedom riders, lets give a boot to the backseat drivers."--Calvin Johnson
by Dub Slaney March 20, 2011
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