fucking with

Verb

fuck with (third-person singular simple present fucks with, present participle fucking with, simple past and past participle fucked with)

1. (idiomatic, slang, vulgar) To interact with in a careless or inappropriate way.
   • Don't fuck with that gang! They all carry guns!
2. (idiomatic, slang, vulgar) To play with in a lighthearted or joking manner; kid with; play tricks on.
   • Don't take it serious, man, I'm just fucking with you.
3. (idiomatic, slang, vulgar) To affect seriously or disturbingly; give someone a hard time; to trouble, harass.
   • The thought that she might be cheating on me is really fucking with me.
4. (idiomatic, slang, vulgar, especially African-American Vernacular) To work or associate with, roll with, have dealings with; (by extension) to like, approve of, enjoy.
   • I fuck with you heavy.