ALL meanings of backstab
back·stab
B b - verb backstab to attack in a deceitful manner 3
- noun backstab (transitive) to attack someone (especially verbally) unfairly in a deceitful, underhand, or treacherous manner, especially when they're not present in the place or situation that it happens. (as if stabbing them in the back). See backbite. 1
- verb with object backstab to attempt to discredit (a person) by underhanded means, as innuendo, accusation, or the like. 1