McKayla Maroney

No one can ever accuse Olympic gymnast McKayla Maroney of not having a sense of humor ... because even she is jumping on the McKayla Is Not Impressed bandwagon. For those who don't know ... a photo of a scowling McKayla (see below) was taken after she won the silver medal in the vault competition.…

Not to gloat, but ... THE USA IS BETTER THAN EVERYONE ELSE ON THE PLANET IN WOMEN'S GYMNASTICS!!!! The U.S. women's gymnastics team didn't just win GOLD in the team competition ... they CRUSHED the competition ... slaughtering Russia by a whole 5 points. Just to compare, China beat the US back in…