Whats the oblong shape in between his legs behind him ?????

Hop on LSD ninja pills

farting is the 1st thing that came to mind.

@Jcrater it’s his katana holster (if my english is correct)

Taking a fat dump on Momo.

So that's why He jumped

When You Wanna Be Like Naruto So Bad You Cut Off Your Own Arm

Never pause Boruto.

Ayyo SUS -_-

Literally anything with his left arm