From Longman Dictionary of Contemporary Englishidle something ↔ away phrasal verbLAZYto spend time in a relaxed way, doing nothing They idled their time away in the pub. → idle→ See Verb table
Examples from the Corpus
idle away• For very many black parents, sport is considered to be idling your time away.• The men idled their time away on street corners or outside the pub, cadging a drink or a smoke. 