MacDonald, Macdonald, and McDonald are anglicized forms of the Scottish/Irish Gaelic name "Mac Dhomhnuill", a patronymic from the personal name "Domhnall". Domhnall means world ruler and Mac means son of.

In the context of Scottish Clans, the various forms of the name refer to one of the largest clans, Clan Donald.
MacDonald means: Son of World Ruler
by mactdf January 18, 2010
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a catty, cut-throat person that is completely spineless and unable to make a single decision. This person measures his/her worth by the number of meetings s/he can schedule for themselves or how long s/he can spend at lunch. Characteristics include no interpersonal skills, no business acumen, and lack of ability to perform simple tasks like dress and feed themselves.

Disclaimer: All names appearing in this definition are fictitious. Any resemblance to real persons, living or dead, is purely coincidental.
One day my MacDonaldment asked me to submit a status report concerning a project I was working on. I asked the MacDonaldment if tomorrow would be soon enough. The MacDonaldment replied with "If I wanted it tomorrow, I would have waited until tomorrow to ask for it!"
by rockinghopperman December 09, 2011
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A fast food place that wants to dominate the world's eating habits, found in virtually every inhabited country and without doubt the worst food provider ever. MacDonald's food makes you puke and is quite disgusting in general. Big Mac is the main product, lots of burgers too with plastic cheese on them (the cheese is partly taken from cowgut). Eat it at your own risk. Morgan Spurlock made a film called Supersize Me, in which he ate nothing but MacDonald's food for 1 month and at the end of it was in a very poor state of health, it took him several months to recover.
Person A: I found a MacDonald's!
Person B: But is there anywhere we can eat without being sick?
by Avoura December 02, 2005
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n. a restaurant where you and your family can have a fun time and a great meal. Did you know that Macdonalds donates lots of money to charity?
Let's go to Macdonalds and have a shit sandwitch!
by tneveca August 27, 2009
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‘McDonald's’ in ebonictalk (’cause in ebonics, you don‘t say ‘mik’ but instead ‘mak’, even if the correct form is ‘mik’(Mc).

Note that ‘Mac’ means "son of" in Irish.
You been to MacDonald's lately?
by Victor Van Styn July 25, 2005
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the act of stuffing a burger (preferably a mcdonalds bigmc) up your anus
guy 1: im going to macdonalds
guy 2: ur not gettina bigmc
guy 1: y not
guy 2: because i dont want it stuffed up my ass
by dirtygange April 07, 2011
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