Ja Rule was not happy about getting pelted with a beer can during his performance at Harrah's Pool After Dark in Atlantic City this weekend. In a video obtained by TMZ, Ja can be seen taking a hard can to the dome right in the middle of his set. He immediately stops the show and demands to know which fan threw the beer at him. He even offers $1,000 to anyone who can point out the culprit. That apparently worked pretty well for him, as they were soon identified and summoned towards the stage.

Not one to let security deal with things, Ja Rule instead yelled, "Come here so I can smack the shit out of you." For some reason, the fan obliged, and Ja Rule lived up to his word, slapping the fan across the face in anger. 

Ja is in the middle of a residency at Atlantic City's Harrah's Pool After Dark, which began in February, and will continue throughout the summer. He recently attracted some social media mockery after tweeting that he thought Michael Jordan made $1 every time his face was used in a Crying Jordan meme. He eventually figured things out, though, and ended up being a pretty good sport about his confusion.

Check out Ja Rule's entire altercation with the fan in the video, above, and decide for yourself if the slap was justified.