Mausberg 

An highly underrated rap artist (found by Dj Quik) that was shot in Compton CA.
He was robbed at his home and shot twice on the 4th of July, 2000.
Many people belived that he was going to be west side version of Notorious B.I.G. The MC that everybody was going to feel.
Mausberg is also a shotgun.

It ain't no competition 'cuz I be knockin' walls down
Strategize and break a nigga grill for the crown
Not a troublemaker, but like to finish what a coward started
I turn the smartest niggas retarded, I'm cold hearted
-- Mausberg - Ring King

Mausberg by Mr. Phenom June 4, 2008

Mossberg 

America's oldest family owned and operated firearm manufacturer, and the largest producer of pump action shotguns in the world. Now one of the favored weapons by rappers in their songs.

"It's the hustler's ambition, close your eyes listen, see my vision, Mossberg pumpin', shotgun dumpin'" - 50 Cent

Mossberg by jutm543 November 5, 2005

Mossberg 

Company who produces fine weapons, specializing in shotguns.

Alex: I feel sorry for the guy who breaks into my house
Chris: why?
Alex: Because my Mossberg M500 will leave a gap between his kidneys.

Mossberg by Alex Hatchock July 19, 2005

Mossberg 

*A corporation that manufactures high-quality shotguns.

*Shortened name referring to a Mossberg-made shotgun.

"You can use a Mossberg in Battlefield Vietnam!"
-me

"I have a Mossberg too. It's an M500, 12-gauge, pump-action. Sometimes I call it a 'Mossy'. My Mossy is quite accurate too. ^_^ "
-me

Mossberg by Dave June 16, 2004

mossberg 

to blow a fatass nut on a deserving female.

Yo i mossberg'd that bitch last night!

mossberg by mgaro April 5, 2009

Mossberg 

A maker of shotguns.

12 gauge
shotgun

You can do all them pushups to pump up your chest/But I've got a twelve gauge Mossberg to pump up your chest

Mossberg by Davy November 16, 2003

Massbergers 

The affliction of an individual who is too East-coast to effectively relate to anybody.

"Hey Kid, you invite Billy to the party"
"Nah Kid he never shuts up about Dunkies. He has total Massbergers"

Massbergers by DunkiesRunKid July 23, 2017