A statement that can be made when one around you says something that is complete nonsense, like excessive usage of modern internet slang or memes in regular conversation, or can be used in response to incomprehensible subjects.
Originated from voice edits of Jesse Pinkman and Walter White from Breaking Bad in diners
Jesse Pinkman: Yo Mr. White, did you hear that the new egirl bussy was a doomer based cuck?
How about the time he was ratioed in 4k because he was down bad, fr, on God.
Walter White: Jesse what the fuck are you talking about?
Wanting nothing to do with someone, whether as a friend/acquaintance or more. Can be abbreviated as "idfwy" or "idfwu". Gained popularity from Big Sean's song. Not to be confused with the sexual meaning of "fucking someone".
Kacey: Hey why don't we invite Lisa to the party?
Marissa: Hell no. I don't fuck with her, she's annoying
Jason: Hey baby I miss you, let's get back together
Kacey: No thanks, I don't fuck with you
It means that someone likes you a lot. Like they think you're cool and want to be your friend.
Usually used in the bay area. To show that you really really like someone you say, "I fuck with you too tough" or "I fuck with you hella hard"