1 definition by dojobros69

When multiple bros chain anal sex together in a straight line. Either standing or laying down on stomaches, backs, or sides. Therefor "stacking" each other, like Lego pieces.
Hey bro, did you hear Chad and Dom went legoing without us last night?
Fuck bro, I heard they got to 3 pieces.
by dojobros69 February 1, 2017
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