Preheat the oven to 375 degrees F and soak 4 bamboo skewers in water (unless you're using metal skewers).
Combine all ingredients for the meatballs in a bowl and mix well to combine.
Roll the meat into 1" balls and slide onto soaked skewers.
Place each skewer on a lightly oiled baking sheet or a roasting pan with a grate, then bake for 17-20 minutes (or until the internal temperature reaches 160 degrees F).
While the meatballs are cooking, prepare the couscous.
In a pot, bring 1 1/2 cups of water to a boil.
Once the water begins to boil, add the dry couscous pearls, garlic, lemon juice, olive oil, salt, and pepper.
Turn the heat down to a low simmer, place a lid on the pot, and cook covered for 10 minutes.
While the couscous is cooking, slice the cucumbers, tomatoes, red onion.
Once everything is done cooking, toss the vegetables, couscous, feta, and fresh parsley together in a large bowl to create the salad.
Combine and mix all of the ingredients together for the tahini sauce with a spoon or whisk.
Serve each bowl by adding 1/4 of the salad, then topping with the baked meatballs (about 4 per bowl) and tahini sauce.