Matthew McConaughey got loud. The actor name-dropped Jennifer Lopez, his “Wedding Planner” co-star, during a “major mess-up in Mexico,” he confessed on the “Happy, Sad, Confused” podcast Thursday. “I’m crossing the border, going way down south, and I get pulled over,” the 56-year-old told listeners. “It’s one of those pullovers where they noticed me.” McConaughey quipped that since he is a “gringo in a … nice truck,” he got “that dress down” and thought, “Oh geez, get the wallet out. Here we go.” As the interaction “was going down,” the Golden Globe winner asked, “You guys know Jennifer Lopez? Ever seen ‘Wedding Planner?'” The “True…
