To waste time behaving in a foolish, silly, or frenetic manner. Said especially of or by children. "Spaz" is short for "spastic" and may be considered offensive due to that originally having been a derogatory term for someone with spastic paralysis or cerebral palsy. My friends and I just got really hyper eating a bunch of candy and spent the rest of the sleepover spazzing around. Let's go hang out up in my room. My little brothers won't be spazzing around up there.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Sl. to waste time; to mess around. You kids are always spazzing around. Why don't you do something useful? We're just spazzing around. Leave us alone.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
in. to waste time; to mess around. You kids are always spazzing around. Why don’t you get a job?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.