Also used as a term for a largley packed and over-stuffed bowl of marijuana, grass, pot, whatever you wanna call it. Also known as a party bowl.
Lemmie get that p.i. so I can pack a fatty.
by Og Indoes March 23, 2005
when the penis becomes erect but is pinned down by one's pants or underwear
Dude, you were so packing a fatty while that hot chick was sitting on your lap.
by dr.love March 10, 2005
when you have a piece of chewing tobacco place inbetween your lip and gum
Did you see Gary Sheffield packing a fatty in the baseball game.
by Anthony April 25, 2005
to fill a marijuana pipe with an above average quantity of green
Feeling generous, Amanda packed a fatty for her and Blake.
by anonymous February 24, 2005
yo toss me my tin i need to pack a fatty
by bukkake December 01, 2004