used when eating a healthy meal, when you really want to be eating a fatty mcDonald's sandwich.

or

when you get overly excited and tell your skinny friends you're goign to replace them with mcDonalds workers.
"I'm Mcplacing this crappy salad!"

or

"DAMN YOU SUCK, IM MCPLACING YOU!"
by Heather and Madison June 19, 2007
Get the mcplacing mug.