Definition of "fuck with" in English

Verb

1. To interact with in a careless or inappropriate way.

   • Don't fuck with that gang! They all carry guns!

2. 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. 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. To work or associate with, roll with, have dealings with; to like, approve of, enjoy.

   • I fuck with you heavy.