1. Most commonly known as a gun from Gears of War.
2. A sexual term for cumming inside a girls ass and then her 'farting it back out' into a different girl's mouth.
1. "Yo dude, did you see my epic boomshot 360 kill in Gears of War?"
2. "Yo my main man Michael had a threesome with two chicks and boomshot'd them.
GutterSplooge is when you feel violated by a splash when walking on the sidewalk and a car or bus splashes you with a massive winter puddle while driving by.
Got hit with the guttersplooge facialtoday when a bus missed me and hit me with the water from the gutter clog puddle boy I was pissed