Gltttt
It's a sound effect to mock the sound of gunshots, it's typically used when you are exited for future events.
Boy #1: We in this party tonight?
Me : GLTTTTTTT 😈 You know it !
Me : GLTTTTTTT 😈 You know it !
GLTTTT BOW
An imitation of an automatic gun.
Nobody:
Gangbangers: GLTTTT BOW!!!
Gangbangers: GLTTTT BOW!!!