A last name, most notably that of American businessman Isaac Mashman. This name, going back several hundred years, was made popular from his presence on, and offline and through his various business endeavors. The name has since been used as the forefront of multiple businesses.
Person #1: "Have you heard of the Mashman name?"
Person #2: "I think I've seen it, but tell me more."
Person #1: "The dude you're probably thinking of is Isaac Mashman. He's someone you should check out!"
Person #2: "What does he do?"
Person #1: "If you're into business, or want to build a brand, you have got to check his work."
by Ellis Elway April 10, 2021
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An illegal firearms dealer, slang specifically used in the Greater London Metropolitan Area
"Buck me my slime, there's a new mashman on the block."
by Vexatha October 12, 2023
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'run up into the set and got surrounded by bare mashmans'

Seth- 'wanna come to this party on saterday?'
Callum- 'na boy, heard there is bare mashmanz attending'
by Callum isadirtyhotdog mcleod December 15, 2010
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