Logan Paul Performs 'Hawk Tuah' Celebration During WWE Bout

logan paul hawk tuah main WWE/Instagram Composite

Logan Paul's spittin' on that thang in WWE ... performing a celebration inspired by the "Hawk Tuah" girl mid-bout -- and, it's got the internet in a frenzy.

The YouTube star turned pro wrestler pulled up to "WWE SmackDown" Friday night in Madison Square Garden and faced off with LA Knight and Santos Escobar in a threeway battle ... and, after failing to pin Escobar, he pulled his head back and spat out the viral phrase.

Check out the clip ... Logan clearly annunciates the words heard 'round the world -- spitting in the general direction of his opponent after not getting the win.

In case you've somehow missed the viral craze ... Paul's…