Boot

A person who is legal age buying an item or substance for someone under age, who cannot walk into a store and get said item themselves.

Person 1: Hey man, could you come boot for me after school and buy me a vape?

Person 2: Yeah sure, meet me behind the store at 5

Seth

A little kid from that doesn’t know what the word “quiet” means.
Can sometimes be referred to as an imbecile.

Wow, Seth won’t leave us alone and is having a temper tantrum again...