An urban slang used to replace shotgun , vinchester , etc.
Became a popular word in a popular game called "Fortnite" , battle royale copy of a copy of a copy.
1. Last match i got 5 kills ONLY from a pump-shotty!
2 No fair! He killed me with the pump-shotty!
by Jesus with a Shotgun May 13, 2018
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.
HOLY SHIT! that guy just got fucking pwned by a pump shotty!
by Matt Mcelhinney August 26, 2005
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.
"Dude, that guy is such a Pump Shotty Ninja. He just wtfpwned me."
by lolPLD September 15, 2006
*buddy gets shot by a shot gun*
Oh shit he clapped buddy up with a shotty pump
by Pap_So_Savage July 22, 2018
A huge pump shotgun that I will fire up your ass if you steal
my weed.

Used similarly to "popping a cap up your ass".
ie. shooting a gun up someone´s rectal passage.
Gangsta 1: Oy m8 back off my lawn before I bring out my pump shotty!
Random dude: Shit Relax dude!
by LikeDAtAssSHit October 3, 2019