spaced out

Short definition from Wiktionary

Verb

1. 1
   simple past and past participle of space out

Adjective

1. 1
   In a confused or oblivious mental state, for example as a result of drug-taking.
2. 2
   Positioned at regular intervals with a specified space between them.
3. 3
   Confused, stupefied, or disoriented through the action of a narcotic drug (or as if so intoxicated).