play loco
When you´re crossing the line with somebody, some situation or when you are trying to abuse.
"...and I said: -Bitch, don´t play loco with me, pay me that bill and get the hell outta here."
"Hey ya nigga! Don´t you try to play loco with me and gimme that ball!"
"Hey ya nigga! Don´t you try to play loco with me and gimme that ball!"