spaced out
1) Absentmindedness in the form of a personality trait.
Note 1: People who are spaced out are usually considered to be stupid by their peers, although often these people are actually very smart.
Note 2: Incorrect usage of this term has been applied to people on drugs. There are terms for that, so do not to confuse them with "spaced out."
Synonyms for spaced out
On this page, you will find 30 slang terms related to spaced out. Some of the top words include: yerdumb, knob jockey, crack head, penis wrinkle, fuck head, and 25 more.