In a large bowl, add pinto beans, black beans, blackeye peas, shoepeg corn, onion, green pepper, red pepper, and jalapenos.
In a small saucepan over medium heat, add oil, white vinegar, sugar, and salt. Whisk together and let heat until sugar has melted (do not boil). Pour over beans and vegetables and stir to thoroughly coat. Let chill for at least 30 minutes or until cold before serving.
Notes
This dip is best made a day in advance to let everything meld together. So make it ahead of time to take one thing off your list!