Place your nuts in a solo cup partially filled with a carbonated beverage (preferably a clear beverage). Then have a girl put a straw into the solo cup and blow bubbles under your balls, the bubbly thereby creates a temporary doming shape to your nuts.
See also: Ballcuzzi
"Dude, Nancy didn't want to finish her Crown and Seven last night, so I told her to put it to better use. It was a bubbly dome for the ages!"