septiishu Share definition Flag Septiishu is the ship name of the irish youtuber 'Jacksepticeye' and his girlfriend Signe (pronounced see nu) or more commonly known as 'Wiishu' on tumblr. "Jack and his girlfriend are so cute, I love septiishu so much!" septiishu by Meergo January 8, 2017 0 0 Get merch Get the septiishu mug. Buy Now — $32.95 See more merch
