Adjective. Having qualities of or similar to that of a toad. These similarities may be physical, sonic, or just metaphorical. Similar to the words "wooden" and "leaden".
That car jumpsevery time you start it, I'd say it's a toaden car.
An instance where one is about to take a perfect shot at a goose, when all of a sudden a badger jumps out from behind a willow stump and disrupts the firer causing him to miss.