A bastardized combination of "ah" and "yeah" commonly used by old cronies from Maine who have nothing better to do than whittle wood in front of a convenience store waiting to be written into a Stephen King novel.
Old Fart 1: Your wife tongue your crack last night, Jessep?
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!