What is qwertyuiopasdfghjklzxcvbnmmnbvcxzlkjhgfdsapoiuytrewqqazwsxedcrfvtgbyhnujmikolp what does it mean?

The string "qwertyuiopasdfghjklzxcvbnmmnbvcxzlkjhgfdsapoiuytrewqqazwsxedcrfvtgbyhnujmikolp" appears to be a sequence of characters obtained by running fingers across a QWERTY keyboard. It doesn't have any inherent meaning beyond that. It's often seen as:

• A random string of characters.
• A placeholder or filler text.
• A result of someone randomly typing on a keyboard.
• A way to quickly test a keyboard.
• Sometimes used as a very weak password or password hint (though this is highly discouraged due to its predictability).