As useful as an ashtray on a motorbikeBy Jamie Archer / SimilesAdvantageous, All-purpose, Applied, AppropriateTags: Ashtray Motorbike UsefulMore similes for UsefulUseful as a sat nav that only knows one routeAs useful as a chocolate teapotAs useful as a chocolate fireguardAs useful as an assassin with squeaky shoesAs useful as a lead balloonAs useful as a cowSee all "Useful" similes →