pump sessionmean? Here you find
Lifting weights in a vigorous fashion.
one who goes to the gym to talk rather than work out. A pump shark will continually walk up to people who he/she senses are have a good work out. The shark will then stroll up to that person and talk their ear off until they have effectively taken away the persons pump, hereby killing that persons workout for the day.
(verb) to defecate, to crap
a shot gun which is pumped prior to a shot.
In Most online FPS's there is generaly a pump action 12 gauge. This gun is usualy slow and inaccurate. In counter strike, this weapon if killed by it is a humiliation.
One who is well skilled in the art of the Pump Shotgun in games such as Counter Strike, and jump around while killing people in the air...much like a ninja. Thus the term, Pump Shotty Ninja.