guy 1: you're gonna shave w/ the same razor you use to clean your ass?  guy 2: nah, that's what my butthole razor is for
a razor blade, approximate 3 inches in length, meant specifically for the care and weeding of the [cornhole]
"guy 1: you're gonna shave w/ the same razor you use to clean your ass?  guy 2: nah, that's what my butthole razor is for" What is the definition of "butthole razor"?