To stop doing something rather suddenly.
To quit for no apparent reason.
(In reference to De La Hoya's quitting and faking a KO against Bernard Hopkins)
"I took Jane to dinner and was surprised when she pulled an Oscar De La Hoya and left. Our date was going so well."
Cristiano Ronaldho To The Oscar De La Hoya Messi
Cristiano Ronaldho To The Oscar De La Hoya Messi