A Jamaican slang denoting doing something, oftentimes relating to a physical task for a job (legal or illegal), but can also be sexual.
Mi ago mash a works by the docks later and then come check you. Meaning I am going to do a job by the docks later and then come by you

The girl from last night link me, so mi ago circle her endz and mash a works. Meaning that girl from last night contact me, so I am going by her house to have sex.
by Skeng123 January 23, 2022
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Mash Work, or Mashing Work - a UK term to state you’re putting effort into something / getting something done
1: “Yo I beg you come out to the *motive* tomorrow?”
2: “Nah bro I’m mashing work on my girl tomorrow”
1: “Ahh say nothing

*Mash Work*
by HS - HStar December 13, 2020
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