Chicanniversary Share definition Flag Frenglish term that marks the anniversary of two people having a fight (in French, a chicane) Cynthia and Alex celebrate their chicanniversary every March 7, the day they had a big fight about a video. Chicanniversary by MonsieurHarvey January 25, 2017 0 0 Get merch Get the Chicanniversary mug. Buy Now — $32.95 See more merch