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Watch 50 Cent Taunt Floyd Mayweather In His New ALS Ice Bucket Challenge Video

Fif is up to his old ways.

(Is 50 Cent the ultimate Internet troll? Hear him respond in the video above)

50 Cent already completed the ALS Ice Bucket Challenge earlier this week. But on Thursday (August 21), he did it again -- kind of.

In classic 50 fashion -- part bully, part comedian -- he called out his former friend Floyd Mayweather, saying that he'd donate $750,000 to any charity of the boxing champ's choice. The catch? Floyd has to read one page in any "Harry Potter" book.

Needless to say, these two have had a bit of a falling out in recent years.

"Floyd will you except my ALS/ESL CHALLENGE," Fif wrote in the caption for the video. "I will donate $750k to a charity of your choice, If you can read a full page out of a Harry Potter book out loud without starting and stopping or f--king up. lmao"

On the music side of things, G-Unit released the music video for their "Come Up" late Wednesday night. You can watch the Eif Rivera-directed clip below.