A given person between the age of 12-19ish that has little desire or care of actualy producing anything other then an instagram shot and could give even less fucks about the world around them then a millennial.
A group of twellenial girls covered in body glitter blocked the sidewalk as they posed for Instagram shots on their new iPhone Xs.
by MyanAimee August 10, 2018
Get the Twellenial mug.Ethan: C'mon mane!! We gotta hunt the Midget Niggers!
Armani: You mean the Tellendale River Gnomes?!
Ethan: Yeah mane! So grab your fuckin shotgun and lets get em!
Armani: You mean the Tellendale River Gnomes?!
Ethan: Yeah mane! So grab your fuckin shotgun and lets get em!
by aarondoctor October 14, 2023
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