‘RHOBH’ alum Teddi Mellencamp claims she had a one-night stand with Matt Damon

Tamra Decide is outing a few of BFF Teddi Mellencamp’s intercourse life secrets and techniques — together with one involving Matt Damon. The “Two Ts in a Pod” co-hosts appeared on SiriusXM’s “Jeff Lewis Stay” Tuesday, the place Decide compelled Mellencamp to open up about her one-night stand with the “Air” actor 20 years in the past. “She talked…