Young MA Driver is stopped by NH Police after report from citizen cell phone call reporting car all over road. Officer notes strong odor of alcohol and marijuana as well as on odor of vomit. Driver admits to consuming two (2) drinks and that her friend had vomited on her while sitting in her car earlier and that she was following her friend home. Driver does marginally well of field sobriety tests but refuses requested blood test. DUI charge dismissed prior to trial.