Question: what is fuzakeru in english?
Answer: ふざけるな (fuzakeru na) Meaning: F*** Off. The word 'na' is used to negate a word. 'Fuzakeru' mean to fool or mess around. That means 'fuzakeru na' literally means 'don't mess around' with me. If used aggressively against someone, it could also mean 'f*ck off.