Referred to in Vanilla Ice's beatbox song, "Havin' a Roni," is a virgin, according to Ice himself. However, the term is used often in hip hop, and is short for "tenderoni," which is defined as a "sweet girl."
Then again, Vanilla Ice can make up some dumb shit.
I knew the way she was swallowing the swan, she wasn't any roni.
That roni's milkshake brings all the boys to the yard.