This is an adjective. It is a synonym - at least in South Yorkshire - for large, big, massive, huge, colossal, gigantic, etc. It is often used in a superlative manner.
"The stone that you threw at my head was macka'"
"He threw a mack-off stone at my head."
1. A versatile adjective for anything that is extreme
2. Noun, a fat person
3. Adjective for when you feel fat
1. This cheeseburger is macka awesome OR you are a macka loser 2. Dude, that chick was such a macka its disgusting
3. I'm feeling macka today, my jeans wont fit
When the weed that you are smoking is poor, you are known as a "Macka Chonga Cunt".
Big man - "Charlie, what you smoking there mate?"
Charlie - "Bit of ched pal"
Big man - "awww you Macka Chonga Cunt, get on this purp haze bro"
Charlie - "Safe my G" *Throws ched away*
another term for a station wagon, mini-van, or any other kind of vehicle that is targeted at the "family" demographic(also M.A.V.)
"Tactical advantages aside, the M.A.V. is top of the line for the holy warrior troop transport manufactured by the Church of Latter Day Saints Military Industrial Complex. Also great for family trips...to heathen lands."
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.