Pew Pew is an onomatopoeia commonly associated with the sound effect of laser-beam guns portrayed in popular sci-fi films, TV shows and videogames. In the realm of massively multi-player games, "pew pew" has become synonymous with the verb to own, a leetspeak term often used to indicate one's absolute dominance over another player. Origin While the sound effect of laser-beam has been imitated by sci-fi movie fans for decades (most notably in Star Wars films), popular usage of "pew pew" in online conversations began to surge in mid-2005, around the same time when lolcat & lolspeak phenomena started gaining grounds on 4chan. The earliest definition of the phrase "pew pew" appeared on Urban Dictionary in August 2005: