9+10=21 is an incorrect answer to a math problem, which was first spoken online in a Vine video. The video, also known as "What's Nine Plus Ten," quickly became a fad within the Vine community, leading to remixes and other parody, and later spreading to various other internet communities. In Summer 2019, the video saw a resurgence in popularity on Instagram, Twitter and iFunny.
The You stupid (what's 9+10) meme sound belongs to the memes. In this category you have all sound effects, voices and sound clips to play, download and share. Find more sounds like the You stupid (what's 9+10) one in the memes category page. Remember you can always share any sound with your friends on social media and other apps or upload your own sound clip.
