Article content Marijuana decriminalization is the latest buzzword in the weed world. Itâs a move that President Joe Biden has said he would be willing to impose nationwide. The concept typically means the elimination of criminal penalties associated with the possession of marijuana. In most cases, decriminalization lets anyone caught in possession of up to an ounce (28 grams) of weed slide with a small fine, avoiding the criminal justice system. We apologize, but this video has failed to load. Try refreshing your browser, or Weird weed âdecriminalizationâ measure proposed in prohibition U.S. state Back to video However, in parts of the country, those that remain some of the most militant toward cannabis offenders, the definition of decriminalization seems to have changed. In one case, it is now being defined by one Indiana state representative as a way to prevent law enforcement from charging motorists with DUI (driving under the influence).