haul on it, haul-ed on it
Pronunciation: \'hȯl-ȯn-ət\, \'hȯld-ȯn-ət\
1. To exert strong or excessive force upon
2. To take a lengthy or deep drag on a cigarette or marijuana joint, leaving less for others sharing said cigarette or joint. See also bogart
Possibly of Canadian origin?
2. Don't haul on it, man, leave some for the rest of us!