Noun
birtherism (uncountable)
(slang, often derogatory, US politics) A movement in the United States of America that doubts or denies that the 44th President, Barack Obama, is a natural-born U.S. citizen, thus implying that he is ineligible to be President.
Even so, as with Trump’s birtherism before the last election ( he was on this filthy bandwagon for years ), we have to take him at his last statement on the matter. Source: Internet
Being a scientist, Riverdaughter understood from the start that birtherism was sheer nonsense. Source: Internet
Full bore, Obama focused birtherism will die with Obama’s last campaign–win, lose, or draw. Source: Internet
I know very well when and how birtherism arrived on the scene in 2008. Source: Internet
Nobody from Hillary Clinton's campaign spread birtherism. Source: Internet
The other piece of "evidence" linking Clinton to birtherism are emails circulated by supporters of Clinton during the last days of the 2008 Democratic primary after Clinton suspended her campaign. Source: Internet