Noun: a cowardly person who avoids unpleasant tasks or jobs by lying, crying wolf or faking injury.
A draft dodger
Slacker
He is such a Bonespurz. He has a bigmouth but doesn't have the backbone to back it up. If he did he wouldn't have faked an injury to avoid the draft
Verb: The attempt to get out of something unpleasant, Usually by lying , crying wolf or, faking injury. Draft Dodger.
He bonespurred his way out of taking out the garbage. He bonespurred his way out of the military draft.
{Not just false or inauthentic, but the exact opposite of what is being claimed}
{Claims that Mexico will pay for the wall are Bone Spurious at best}
{the cowardly act of avoiding a unpleasant task or job}
{He bonespured his way out of Vietnam}