A Dooble is a short kid and very funny if you ever meet a Dooble make sure you r on their good side

Dooble (v.) - any person who is doughy or frequently has spasms, or even being socially awkward and just looks unattractive and stands out.

A substitute for any noun, verb, adjective, adverb, conjunction, preposition, and several words in French.

The most retarded person you know

it derives from a combo of Dumbass and a variation of Noob.

also, usually a script kiddie

Small round animal poos

Can be used to describe anything cool or uncool, loosely. It is however most fittingly used in situations that involve some sort of event happening twice or to two sujects at the same time, or quickly in succession - hence sounding like doubles.

vape pens for the purpose of ingesting THC/marijuana.