He told the annoying man to bugger off.
bugger off
idiomGo away.
Origin
disputed originDerived from bugger (idiomatic, obsolete, UK, Ireland, Commonwealth) “sodomite”, (idiomatic, vulgar, UK, Ireland, Commonwealth) “man”, especially in the colloquialism (idiomatic, dismissal, UK, Ireland, Commonwealth) old bugger for “an old man”.
When the persistent salesperson wouldn't leave, she finally told him to bugger off.
After the intruder refused to leave the property, the owner shouted for him to bugger off immediately.