In a skillet, cook hamburger meat until done and drain.
Add meat back to skillet and pour in taco seasoning and water; let simmer about 5 minutes and remove from heat.
Cut the avocados in half, removing the pit.
Scoop out most of the avocado flesh but leaving enough for the avocado half to retain it’s shape; add to a medium bowl.
Toss the avocado pieces with the lime juice.
Fill the avocado shells equally with the taco meat.
Add some shredded cheese and lettuce; pour on some taco sauce or salsa.
Top with avocado pieces, tomatoes, sour cream and more cheese.