This is a question about two terms - you wouldn't find either of them in a dictionary yet. Let's call them X and Y.
Both X and Y refer to groups of people who believe in two separate American (where else?) controversies.
X is the older of the two, having been around for a couple of years. It was coined principally in opposition to one person. The term's associated controversy flared up once again in the end of April, but has significantly died down since. Partly because of events associated with Y. Y was coined in early May 2011 (by online media).
Both X and Y are coined from nouns, which are the exact opposite of each other. Which two words are these?
[+ Show Answer]
X: "Birthers", Y="Deathers".
"Birthers" are those people who do not believe that US President Obama was born in Hawaii, and claim he is ineligible to be the US President because he was born outside the US. In April, a detailed birth certificate showing his place of birth was released. Wannabe Presidential-race candidates such as Donald Trump have been in the "birther" camp.
"Deathers" believe that Osama bin Laden was not shot on May 1 in Pakistan. Among the alternatives are that he was either captured alive or killed long before these events supposedly happened.
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(A secondary meaning of "deathers" has emerged and is associated with the US health care reform bill.)