President Biden looked confused again Wednesday as he walked into a giant flag at the United Nations — then appeared to anger Brazil’s president by walking off stage without shaking his hand.

President Joe Biden appeared to snub Brazil multiple times during a ... President Luiz Inacio Lula da Silva at the United Nations on Wednesday after Biden accidentally walked into a Brazilian flag.

Red flag emojis began showing up all over Twitter on Oct. 12. The meaning of this meme trend is really just about hilarious warnings.