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1. mucho
Marc Mandrake slang definition: a lot / very.
"I'm mucho sorry." = "I'm very sorry."
2. mucho
Mucho meens much in spanish, Is used as as a replacement for much/very.
- I'm mucho pissed = I'm very pissed
by Camilo Jerez Jun 17, 2005 add a video
3. Mucho
Argentinian gaucho term meaning loner, outsider.
In a herd of cattle there are often single animals rejected and existing outside the main group. These are known as "muchos".

Hence the expression "Muching about"
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