**Ad hominem**: An attack upon an opponent in order to discredit their [arguement] or opinion. [Ad] hominems are used by immature and/or [unintelligent] people because they are unable to counter their opponent using logic and intelligence.
*Person A: I think we should spend more money on [environmental protection].
Person B: You just think that because you’re a stupid [tree-hugger].
Person A: It is crucial that we facilitate adequate means to prevent degradation that would [jeopardize] the project.
Person B: You think that just because you use big words makes you sound smart? Shut up you loser; you don't know what you're talking about.*
*(<http://ad-hominem.urbanup.com/1365454>)* *9 more results*
