Spanish phrase
No me busques.
Meaning
Do not contact me.
When to use it
Requests that the other person cease all contact. A formal or strong way to end communication, common after arguments or when enforcing a boundary.
Example dialogue
No me busques, no quiero hablar más contigo.
Do not contact me, I don't want to talk to you anymore.
Lo siento, respetaré tu decisión.
I'm sorry, I will respect your decision.