Lyric discussion by hellohappy 

Not sure what exactly this song means, but the verb "tessellate" means to fit perfectly two or more identical shapes. That could refer to how he and his lover are a perfect match for each other, but I think it's more likely to be a covert sex reference (seen as he says "til morning comes, let's tessellate" ie let's have sex). Makes sense too seen as its a very sensual song :)

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