zebrabackEtymologyFrom zebra + back, modelled on horseback.zebraback means the back of a zebra (for riding upon). Lexicurio rates it Sui generis — a strength score of 95 out of 100.nounThe back of a zebra (for riding upon).“[...] came barging out of the closet on zebraback. After I lifted her off she said she had herself a sore behind from riding all the way up from Boston and would I mind holding her for a while.”