F-ing around

effing around

rude slang Engaging in aimless recreation or frivolous time-wasting; fooling around. "Eff" is a euphemism for "fuck." I can't believe we spent the whole day just effing around online.
See also: around, effing
Farlex Dictionary of Idioms.

F-ing around

verb
See effing around
See also: around
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • effing around
  • futz with
  • futz with (something)
  • futz around
  • putz around
  • screw off
  • fool away