false claim - a statement that is directly contradicted by fact and can be easily proven untrue. (2 uses)

guilt by association - using an opponent's links to another to assign the other's beliefs, misdeeds, or other unattractive qualities to the opponent. (1 use)

passing the buck - shifting blame onto someone else for self-exoneration or to direct attention away from those really at fault. (1 use)

baseless claim - a bold statement that is presented as accepted or established fact, with no discernable evidence to support the claim. (1 use)