Top Definition
Means Feelin' Fine. Derived from the price of a pack of Marlboro Reds/Mediums down at Bob Byrne's on Main St.
"Damn man that was a fat bump, how d'ya feel brother?"
"Three-Eighty man, Three-Eighty!"
"Three-Eighty man, Three-Eighty!"
by SteezyB
February 01, 2008
