Top Definition
the most amaising mcdonalds burger known to mankind, but sadly is only available in japan:

The mega tamago from McDonald's in Japan is a slightly altered Double Big Mac with one meat patty replaced with an egg patty, and some bacon thrown in because...hell, why not?
I just jizzed in my pants from mearly laying eyes opon the mega tamago burger
by Tyler Babcook October 29, 2010
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