Phrase used to describe someone of extremely low intelligence. A Bushtard is far more dense than a retard and has an IQ closer to that of George W. Bush.
Don't be such a fucking Bushtard! Next thing you'll be running for president!!
A portmanteau of the words bastard, retard and the name of the current President of the United States of America, George W. Bush. Used to refer to supporters of his policy, ignorant statements supporting them, as well as the man himself.
If you think that less money spent on education is a good thing, then you're a Bushtard.
And dying in yo' bed many years from now, would ya be willing ta trade all da days from dis here day ta dat fo' one chance, just one chance, ta come back here as young men an' tell our enemies dat dey may take our lives but dey will never take our freedom ... YUB NUB!