Welcome @senorluv, While we wait for other members with similar experiences to respond, I thought you might find this article on the topic interesting if not helpful.

-- Hot Flashes in Men: Causes, Symptoms, and Treatment: https://www.healthline.com/health/mens-health/hot-flashes-men

Since you mentioned it happens after eating, are you able to associate the hot flashes with any type of foods you eat (hot or cold)?