Americanism; after speech in 16th Congress, 1819-21, by F. Walker, who said he was bound to speak for Buncombe (N.C. county in district he represented)
Examples from the web for bunkum
Pure bunkum aimed mainly at their current believers so they can feel credible.
Belated acknowledgment only accentuated the bunkum that preceded it.
But saying that it's a natural frontal-lobe thing is bunkum.
bunkum is bunkum, you would think, but apparently for some people there are blind spots.
British Dictionary definitions for bunkum
bunkum
/ˈbʌŋkəm/
noun
1.
empty talk; nonsense
2.
(mainly US) empty or insincere speechmaking by a politician to please voters or gain publicity
Word Origin
C19: after Buncombe, a county in North Carolina, alluded to in an inane speech by its Congressional representative Felix Walker (about 1820)