glgapafwmyktibbystnwmwdywfmwyaglg is the first piece of a song named 'Good Little Girl' from
Adventure Time
(sometimes its also called 'Bad Little Boy')
Translation:
Good
little girl
Always picking a fight with me
You know that I'm bad
But you're spending the night with me
What do you want from my world?
You're a good little girl
Most people know it from TikTok. When someone text you this it means that they really like and care abt you and they hope you like them back. Maybe lowkey want your attention. So give that to them.