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