catting around

Verb

cat around (third-person singular simple present cats around, present participle catting around, simple past and past participle catted around)

1. (intransitive, slang) To engage in sex with various partners; to sleep around; to cheat on a sexual partner.
   • Mrs S. was convinced that any girl who visited a boy in his bedsitter after 10 p.m. was up to no good. 'If you boys want to cat around, okay, but you're not going to do it under my roof! This is a respectable house!' she was fond of saying whenever she suspected we were trying to put one across her...1998, Francis Hugh De Souza, No. 3, Templeton Place, page 171

   Synonyms:

   alley cat

2. (US, intransitive, slang) To wander; to waste time or idle.