凸(｀0´ ) 凸 Big Mouth Middle Finger All meanings The "凸(｀0´ ) 凸" emote, also known as the "Big Mouth Middle Finger" emote, is a Japanese emoticon used to express anger or frustration. It consists of two raised fists with the middle fingers extended and a mouth opened wide in a yelling expression. ▲ 0 ▼ 0 More meanings →