Top Definition
The term means to replace the middle bun of a double stacked burger, specifically a McDonald's Big Mac, with a Boston Cream. The result is a mess of calories and delicious (not really at all) creamy, meaty goodness
Yo guy, let's hit up McDonalds and Tim Hortons and make ourselves some Boston Big Macs
#boston big mac #bigmac #mcdonalds #tim hortons #ohio cream #superman #spider man #spiderman #super man #rodeo
by BedsideKush March 10, 2011
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