A tattoo sleeve made up of small black linework (just the outline, no shading) tattoos randomly scattered across someone's arm. Often looked down upon by traditional tattoo artists and enthusiasts, sticker sleeves are somewhat popular among younger millennials and Gen Z, especially for women.
Stella: Have you seen Hailey lately? I heard she got a tattoo sleeve!
Irene: Yeah, but it's just a sticker sleeve. Lame!
Stella: Wow, that's pretty lame.