To pull a Mayweather
To get scared and run away or to evade something
He is going to pull a mayweather before the college exams (he escapes or evades the exams)
pulling a mayweather
A term used when someone pulls a "cheap shot". Derived in the back alleys of McAllen Texas, referring to the fight Mayweather vs. Ortiz, when Mayweather pulled a cheap shot. Hence, pulling a mayweather.
Man as soon as I turned around that bastard got me by pulling a mayweather on me.
Pulled a Mayweather
To cheat, or have something scripted to make it a favorable outcome for yourself
The commissioner of our fantasy football league pulled a Mayweather to have him "mysteriously" get the first pick of the draft.