What is what does i fw you heavy mean?

"I fw you heavy" is slang, primarily used in African American Vernacular English (AAVE). It essentially means:

• I really like you: It's a strong expression of affection or appreciation. The "heavy" emphasizes the intensity of the feeling.
• I mess with you heavily: "Mess with" in this context doesn't mean to tease or bother someone, but rather to be involved with or supportive of them.
• I'm deeply feeling your vibe/energy: It can also indicate a strong connection or resonance with someone's personality or outlook.
• I really respect you: In some cases, it can express a deep respect for someone's character or actions.

Essentially, it indicates a strong positive sentiment towards someone, encompassing aspects of liking, appreciating, and respecting them.

• African American Vernacular English
• Slang
• Affection
• Respect