justin timberlake madonna2

*Twitter unloaded on Justin Timberlake for using the word “ninja” as a substitute for the n-word in a tweet.

It went down Saturday, when JT sent Madonna a 56th birthday shout out on Twitter.

jt ninja tweet

“A happiest of Bdays to my mother chucking ninja, @Madonna!! Hope you have a great one, M!” Timberlake wrote in the tweet that has since been deleted.

Almost immediately, Twitter users began calling out the 33-year-old for his use of the word:

ninja tweets