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1.
Mild To Wild is in reference to an encounter going from average sex to kinky amazing sex. Refer to a personals ad site and search mild to wild.
That guy is mild to wild in bed.
by Traveler September 01, 2014
 
2.
In reference to crystal-meth use, it means slamming or intravenous injection of the drug.
I like to party mild-to-wild.
by bigdaddyla November 30, 2010