Top definition
The smegma (cock cheese) of a male of Italian ethnicity. It's a play-on-words based on a combination of the words "pecker" (cock, dick) and the Italian cheese "pecorino romano".
"Wow, my boyfriend Guido had some major peckerino romano action going on his dick last night when he had me give him a blow job."
by Dr. Jayy October 26, 2007