Omphalos
Soon enough, Count-Your-Change will be along to explain about “Um, fellows?”, which is the all-too-quiet response to “Hold muh beer ...”.
“Now, now. No need to be precipitate here” but he still got two years for salting his sale hogs.
Anyhow omphalos could be “Um, fellows?”, could be according the guys at the garage.
But since I'm the one paying for the breakfast bourbon we're going with, omphalos \OM-fuh-luhs , noun, like a navel.
Just don't tell the belly dancers performing at the Little Egypt Theater that you were just looking at their omphalos ‘cause they'll beat you like a rented mule.