Vespian Share definition Flag Lesbians who ride their Vespa scooters together. A trendy moped version of "dykes on bikes". My neighbor and her life partner ride their vespa scooters around with other lesbians and they call themselves vespians. Vespian by Michael Ptacek December 9, 2007 0 0 Get merch Get the Vespian mug. Buy Now — $32.95 See more merch