Late 19th century. From ancient Greek ὄλισβος from ὀλισθεῖν to slip, glide + -βος, suffix forming nouns; perhaps a re-formation of ὄλισθος slipperiness, in Hellenistic Greek also an unknown fish with a slippery skin.
Definition of olisbos in US English:
olisbos
nounˈɒlɪzbəs
A dildo.
Origin
Late 19th century. From ancient Greek ὄλισβος from ὀλισθεῖν to slip, glide + -βος, suffix forming nouns; perhaps a re-formation of ὄλισθος slipperiness, in Hellenistic Greek also an unknown fish with a slippery skin.