Term for teammates who are being carried by a main member of the team when in competition. Most used by opposing team in beer pong for heckling players when they aren't pulling their weight.
"Anthony, stop being a fucking jansport and make a fucking cup, Brian is pretty much carrying you"
by bTreezy October 18, 2006
A term used in first person shooter games to describe a player that 'camps' around one spot, whether it be for weapons or a advantageous position.
That fool is a freaken' jansport, always in the same corner!
by Paul Chua November 06, 2006