1 definition by youknowme2001

Top Definition
When a person in AA who has 1 year or more sober get's with someone who has less then one year sober.
...yeah man, Eddy got 20 years sober and Lisa got 30 days sober. He's tottally 13 stepping her. Dirty!
#dirty #13step #taking advantage of #underage #sober culture
by youknowme2001 February 06, 2010
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