Boston Eclair Share definition Flag When 1 Person Sticks There penis inside the Others butt and cums and wipes it on a hot dog bun and eats it whole. Joey Was Hungry So Miguel Made Him a Boston Eclair Boston Eclair by The Hot Dog Button July 3, 2008 0 0 Get merch Get the Boston Eclair mug. Buy Now — $32.95 See more merch