The most beautiful ass known to mankind. So nice that it will in fact make a grown man cry.
When i saw them onion buns it brought a tear to my eye.
by JRod H. February 05, 2007
When the vagina of a hoe resembles a hot roast beef sandwich with cheese on an onion bun from Arby's
Damn hoe! I didn't order no onion bun!
by GroveStreetPanda April 02, 2014