frig around vs idle

frig around is not a noun while idle is a noun.

Word	Noun	Adjective	Verb	Adverb
frig around	No	No	Yes	No
idle	Yes	Yes	Yes	No

As verbs, idle is a hypernym of frig around; that is, idle is a word with a broader meaning than frig around:

Other hypernyms of frig around include laze, slug, stagnate.

frig around (noun)	idle (noun)
	the state of an engine or other mechanism that is idling

frig around (adjective)	idle (adjective)
	not in action or at work
	silly or trivial
	not in active use
	lacking a sense of restraint or responsibility
	not having a job
	not yielding a return
	without a basis in reason or fact

frig around (verb)	idle (verb)
be lazy or idle	run disconnected or idle
	be idle; exist in a changeless situation