Make the Simple Syrup
In a small saucepan, combine water, sugar, and sprigs of thyme.
Bring mixture to a boil; lower to a simmer and continue to cook for 5 minutes.
Remove from heat, stir, and completely cool in the refrigerator; about 15 minutes.
Make the Happy Hour Lemonade
In a large pitcher, add lemons, lemonade, 7-up and prepared simple syrup; gently stir to combine.
Stir in vodka, gin and triple sec.
Refrigerate for about 2 to 4 hours.
Serve over ice.